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tomayac/lighthouse_json_dump.json

Last active June 22, 2018 08:20
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lighthouse_json_dump.json
{
"userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.75 Safari/537.36",
"lighthouseVersion": "2.5.0",
"generatedTime": "2017-11-01T11:30:50.138Z",
"initialUrl": "http://www.google.com/",
"url": "https://www.google.com/?gws_rd=ssl",
"audits": {
"is-on-https": {
"score": false,
"displayValue": "1 insecure request found",
"rawValue": false,
"extendedInfo": {
"value": [{
"url": "http://www.google.com/"
}]
},
"scoringMode": "binary",
"name": "is-on-https",
"category": "Security",
"description": "Does not use HTTPS",
"helpText": "All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/https).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "Insecure URLs:"
},
"items": [{
"type": "url",
"text": "http://www.google.com/"
}]
}
},
"redirects-http": {
"score": true,
"displayValue": "",
"rawValue": true,
"scoringMode": "binary",
"name": "redirects-http",
"category": "Security",
"description": "Redirects HTTP traffic to HTTPS",
"helpText": "If you've already set up HTTPS, make sure that you redirect all HTTP traffic to HTTPS. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/http-redirects-to-https)."
},
"service-worker": {
"score": false,
"displayValue": "",
"rawValue": false,
"scoringMode": "binary",
"name": "service-worker",
"category": "Offline",
"description": "Does not register a service worker",
"helpText": "The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/registered-service-worker)."
},
"works-offline": {
"score": false,
"displayValue": "",
"rawValue": false,
"debugString": "WARNING: You may be failing this check because your test URL (http://www.google.com/) was redirected to \"https://www.google.com/?gws_rd=ssl\". Try testing the second URL directly.",
"scoringMode": "binary",
"name": "works-offline",
"category": "Offline",
"description": "Does not respond with a 200 when offline",
"helpText": "If you're building a Progressive Web App, consider using a service worker so that your app can work offline. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/http-200-when-offline)."
},
"viewport": {
"score": true,
"displayValue": "",
"rawValue": true,
"debugString": "",
"scoringMode": "binary",
"name": "viewport",
"category": "Mobile Friendly",
"description": "Has a `<meta name=\"viewport\">` tag with `width` or `initial-scale`",
"helpText": "Add a viewport meta tag to optimize your app for mobile screens. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/has-viewport-meta-tag)."
},
"without-javascript": {
"score": true,
"displayValue": "",
"rawValue": true,
"scoringMode": "binary",
"name": "without-javascript",
"category": "JavaScript",
"description": "Contains some content when JavaScript is not available",
"helpText": "Your app should display some content when JavaScript is disabled, even if it's just a warning to the user that JavaScript is required to use the app. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/no-js)."
},
"first-meaningful-paint": {
"score": 94,
"displayValue": "1,840 ms",
"rawValue": 1839.1,
"optimalValue": "< 1,600 ms",
"extendedInfo": {
"value": {
"timestamps": {
"navStart": 5914961702093,
"fCP": 5914963541174,
"fMP": 5914963541177,
"onLoad": 5914965536185,
"endOfTrace": 5914971175669
},
"timings": {
"navStart": 0,
"fCP": 1839.081,
"fMP": 1839.084,
"onLoad": 3834.092,
"endOfTrace": 9473.576
},
"fmpFellBack": false
}
},
"scoringMode": "numeric",
"name": "first-meaningful-paint",
"category": "Performance",
"description": "First meaningful paint",
"helpText": "First meaningful paint measures when the primary content of a page is visible. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/first-meaningful-paint)."
},
"load-fast-enough-for-pwa": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": {
"value": {
"areLatenciesAll3G": true,
"firstRequestLatencies": [{
"url": "http://www.google.com/",
"latency": "332.13"
}, {
"url": "https://www.google.com/?gws_rd=ssl",
"latency": "370.33"
}, {
"url": "https://ssl.gstatic.com/gb/images/qi2_00ed8ca1.png",
"latency": "303.29"
}, {
"url": "https://www.gstatic.com/og/_/js/k=og.mob.en_US.ZRXpctoGUVI.O/rt=j/m=md/exm=mih,mab,meb/d=1/ed=1/rs=AA2YrTvcfpqwXOv6TzL9arJI2EWyxGtQuw",
"latency": "301.75"
}],
"isFast": true,
"timeToFirstInteractive": 3473.111
}
},
"scoringMode": "binary",
"name": "load-fast-enough-for-pwa",
"category": "PWA",
"description": "Page load is fast enough on 3G",
"helpText": "A fast page load over a 3G network ensures a good mobile user experience. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/fast-3g)."
},
"speed-index-metric": {
"score": 92,
"displayValue": "2,082",
"rawValue": 2082,
"optimalValue": "< 1,250",
"extendedInfo": {
"value": {
"timings": {
"firstVisualChange": 1839,
"visuallyReady": 2413.0260000229,
"visuallyComplete": 3100,
"speedIndex": 1966.1852497196,
"perceptualSpeedIndex": 2082.1708231371
},
"timestamps": {
"firstVisualChange": 5914963541093,
"visuallyReady": 5914964115119,
"visuallyComplete": 5914964802093,
"speedIndex": 5.9149636682782E12,
"perceptualSpeedIndex": 5.9149637842638E12
},
"frames": [{
"timestamp": 5.914961702093E9,
"progress": 0
}, {
"timestamp": 5.914963541468E9,
"progress": 37.653808486106
}, {
"timestamp": 5.914963622459E9,
"progress": 70.587997844024
}, {
"timestamp": 5.91496381411E9,
"progress": 74.207203176949
}, {
"timestamp": 5.914963848351E9,
"progress": 52.848128127939
}, {
"timestamp": 5.914963858035E9,
"progress": 52.848128127939
}, {
"timestamp": 5.914963898826E9,
"progress": 52.848128127939
}, {
"timestamp": 5.914963923705E9,
"progress": 52.848128127939
}, {
"timestamp": 5.914963926401E9,
"progress": 57.126041790466
}, {
"timestamp": 5.91496394836E9,
"progress": 57.126041790466
}, {
"timestamp": 5.914964018489E9,
"progress": 69.869294824236
}, {
"timestamp": 5.914964026941E9,
"progress": 69.869294824236
}, {
"timestamp": 5.914964079658E9,
"progress": 71.869794718726
}, {
"timestamp": 5.914964115119E9,
"progress": 86.655300860848
}, {
"timestamp": 5.914964142602E9,
"progress": 95.948080292596
}, {
"timestamp": 5.914964175102E9,
"progress": 97.221013148467
}, {
"timestamp": 5.914964789288E9,
"progress": 97.221013148467
}, {
"timestamp": 5.914964802194E9,
"progress": 100
}]
}
},
"scoringMode": "numeric",
"name": "speed-index-metric",
"category": "Performance",
"description": "Perceptual Speed Index",
"helpText": "Speed Index shows how quickly the contents of a page are visibly populated. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/speed-index)."
},
"screenshot-thumbnails": {
"score": 100,
"displayValue": "true",
"rawValue": true,
"scoringMode": "binary",
"informative": true,
"name": "screenshot-thumbnails",
"category": "Images",
"description": "Screenshot Thumbnails",
"helpText": "This is what the load of your site looked like.",
"details": {
"type": "filmstrip",
"scale": 3473.111
}
},
"estimated-input-latency": {
"score": 100,
"displayValue": "17 ms",
"rawValue": 17.2,
"optimalValue": "< 50 ms",
"extendedInfo": {
"value": [{
"percentile": 0.5,
"time": 16
}, {
"percentile": 0.75,
"time": 16
}, {
"percentile": 0.9,
"time": 17.213615873016
}, {
"percentile": 0.99,
"time": 280.31007999999
}, {
"percentile": 1,
"time": 356.65499999999
}]
},
"scoringMode": "numeric",
"name": "estimated-input-latency",
"category": "Performance",
"description": "Estimated Input Latency",
"helpText": "The score above is an estimate of how long your app takes to respond to user input, in milliseconds. There is a 90% probability that a user encounters this amount of latency, or less. 10% of the time a user can expect additional latency. If your score is higher than Lighthouse's target score, users may perceive your app as laggy. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/estimated-input-latency)."
},
"errors-in-console": {
"score": true,
"displayValue": "",
"rawValue": 0,
"scoringMode": "binary",
"name": "errors-in-console",
"category": "ErrorLogs",
"description": "No browser errors logged to the console",
"helpText": "Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns.",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Description"
}],
"items": []
}
},
"time-to-first-byte": {
"score": true,
"displayValue": "370 ms",
"rawValue": 370.33100053668,
"debugString": "",
"extendedInfo": {
"value": {
"wastedMs": -229.66899946332
}
},
"scoringMode": "binary",
"informative": true,
"name": "time-to-first-byte",
"category": "Performance",
"description": "Keep server response times low (TTFB)",
"helpText": "Time To First Byte identifies the time at which your server sends a response. [Learn more](https://developers.google.com/web/tools/chrome-devtools/network-performance/issues)."
},
"first-interactive": {
"score": 91,
"displayValue": "3,470 ms",
"rawValue": 3473.111,
"extendedInfo": {
"value": {
"timeInMs": 3473.111,
"timestamp": 5914965175204
}
},
"scoringMode": "numeric",
"name": "first-interactive",
"category": "Performance",
"description": "First Interactive (beta)",
"helpText": "First Interactive marks the time at which the page is minimally interactive. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/first-interactive)."
},
"consistently-interactive": {
"score": 91,
"displayValue": "3,470 ms",
"rawValue": 3473.111,
"extendedInfo": {
"value": {
"cpuQuietPeriod": {
"start": 5.914965175204E9,
"end": 5.914971175669E9
},
"networkQuietPeriod": {
"start": 5.914965836909E9,
"end": 5.914971175669E9
},
"cpuQuietPeriods": [{
"start": 5.914965175204E9,
"end": 5.914971175669E9
}],
"networkQuietPeriods": [{
"start": 5.914965836909E9,
"end": 5.914971175669E9
}],
"timestamp": 5914965175204,
"timeInMs": 3473.111
}
},
"scoringMode": "numeric",
"name": "consistently-interactive",
"category": "Performance",
"description": "Consistently Interactive (beta)",
"helpText": "Consistently Interactive marks the time at which the page is fully interactive. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/consistently-interactive)."
},
"user-timings": {
"score": true,
"displayValue": "0",
"rawValue": true,
"extendedInfo": {
"value": []
},
"scoringMode": "binary",
"informative": true,
"name": "user-timings",
"category": "Performance",
"description": "User Timing marks and measures",
"helpText": "Consider instrumenting your app with the User Timing API to create custom, real-world measurements of key user experiences. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/user-timing).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "text",
"text": "Name"
}, {
"type": "text",
"itemType": "text",
"text": "Type"
}, {
"type": "text",
"itemType": "text",
"text": "Time"
}],
"items": []
}
},
"critical-request-chains": {
"score": false,
"displayValue": "1",
"rawValue": false,
"optimalValue": 0,
"extendedInfo": {
"value": {
"chains": {
"79240.1:redirected.0": {
"request": {
"url": "http://www.google.com/",
"startTime": 5914961.707738,
"endTime": 5914962.34182,
"responseReceivedTime": 5914962.339403,
"transferSize": 662
},
"children": {
"79240.1": {
"request": {
"url": "https://www.google.com/?gws_rd=ssl",
"startTime": 5914962.342494,
"endTime": 5914963.739981,
"responseReceivedTime": 5914963.356885,
"transferSize": 34343
},
"children": {
"79240.27": {
"request": {
"url": "https://www.gstatic.com/og/_/ss/k=og.mob.1ruvdbwp9vcw3.L.W.O/m=md/excm=mih,mab,meb/d=1/ed=1/rs=AA2YrTtC1On1meUvxdGo6Pda08s7tfyzGQ",
"startTime": 5914965.516922,
"endTime": 5914965.820458,
"responseReceivedTime": 5914965.819026,
"transferSize": 2631
},
"children": []
}
}
}
}
}
},
"longestChain": {
"duration": 4112.7199996263,
"length": 3,
"transferSize": 2631
}
}
},
"scoringMode": "binary",
"informative": true,
"name": "critical-request-chains",
"category": "Performance",
"description": "Critical Request Chains",
"helpText": "The Critical Request Chains below show you what resources are required for first render of this page. Improve page load by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/critical-request-chains).",
"details": {
"type": "criticalrequestchain",
"header": {
"type": "text",
"text": "View critical network waterfall:"
},
"chains": {
"79240.1:redirected.0": {
"request": {
"url": "http://www.google.com/",
"startTime": 5914961.707738,
"endTime": 5914962.34182,
"responseReceivedTime": 5914962.339403,
"transferSize": 662
},
"children": {
"79240.1": {
"request": {
"url": "https://www.google.com/?gws_rd=ssl",
"startTime": 5914962.342494,
"endTime": 5914963.739981,
"responseReceivedTime": 5914963.356885,
"transferSize": 34343
},
"children": {
"79240.27": {
"request": {
"url": "https://www.gstatic.com/og/_/ss/k=og.mob.1ruvdbwp9vcw3.L.W.O/m=md/excm=mih,mab,meb/d=1/ed=1/rs=AA2YrTtC1On1meUvxdGo6Pda08s7tfyzGQ",
"startTime": 5914965.516922,
"endTime": 5914965.820458,
"responseReceivedTime": 5914965.819026,
"transferSize": 2631
},
"children": []
}
}
}
}
}
},
"longestChain": {
"duration": 4112.7199996263,
"length": 3,
"transferSize": 2631
}
}
},
"webapp-install-banner": {
"score": false,
"displayValue": "",
"rawValue": false,
"debugString": "Failures: No manifest was fetched, Site does not register a service worker, Service worker does not successfully serve the manifest's start_url.",
"extendedInfo": {
"value": {
"warnings": ["No usable web app manifest found on page https://www.google.com/"],
"failures": ["No manifest was fetched", "Site does not register a service worker", "Service worker does not successfully serve the manifest's start_url"],
"manifestValues": {
"isParseFailure": true,
"parseFailureReason": "No manifest was fetched",
"allChecks": []
}
}
},
"scoringMode": "binary",
"name": "webapp-install-banner",
"category": "PWA",
"description": "User will not be prompted to Install the Web App",
"helpText": "Browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/install-prompt)."
},
"splash-screen": {
"score": false,
"displayValue": "",
"rawValue": false,
"debugString": "Failures: No manifest was fetched.",
"extendedInfo": {
"value": {
"failures": ["No manifest was fetched"],
"manifestValues": {
"isParseFailure": true,
"parseFailureReason": "No manifest was fetched",
"allChecks": []
}
}
},
"scoringMode": "binary",
"name": "splash-screen",
"category": "PWA",
"description": "Is not configured for a custom splash screen",
"helpText": "A default splash screen will be constructed for your app, but satisfying these requirements guarantee a high-quality [splash screen](https://developers.google.com/web/updates/2015/10/splashscreen) that transitions the user from tapping the home screen icon to your app's first paint"
},
"themed-omnibox": {
"score": false,
"displayValue": "",
"rawValue": false,
"debugString": "Failures: No manifest was fetched, No `<meta name=\"theme-color\">` tag found.",
"extendedInfo": {
"value": {
"failures": ["No manifest was fetched", "No `<meta name=\"theme-color\">` tag found"],
"manifestValues": {
"isParseFailure": true,
"parseFailureReason": "No manifest was fetched",
"allChecks": []
},
"themeColor": null
}
},
"scoringMode": "binary",
"name": "themed-omnibox",
"category": "PWA",
"description": "Address bar does not match brand colors",
"helpText": "The browser address bar can be themed to match your site. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/address-bar)."
},
"manifest-short-name-length": {
"score": false,
"displayValue": "",
"rawValue": false,
"scoringMode": "binary",
"name": "manifest-short-name-length",
"category": "Manifest",
"description": "Manifest's `short_name` will be truncated when displayed on homescreen",
"helpText": "Make your app's `short_name` fewer than 12 characters to ensure that it's not truncated on homescreens. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/manifest-short_name-is-not-truncated)."
},
"content-width": {
"score": true,
"displayValue": "",
"rawValue": true,
"debugString": "",
"scoringMode": "binary",
"name": "content-width",
"category": "Mobile Friendly",
"description": "Content is sized correctly for the viewport",
"helpText": "If the width of your app's content doesn't match the width of the viewport, your app might not be optimized for mobile screens. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/content-sized-correctly-for-viewport)."
},
"image-aspect-ratio": {
"score": 0,
"displayValue": "",
"rawValue": 0,
"scoringMode": "binary",
"name": "image-aspect-ratio",
"category": "Images",
"description": "Does not uses Images with appropriate aspect ratio",
"helpText": "Image displayed sizes should match their natural aspect ratio.",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "thumbnail",
"text": ""
}, {
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Aspect Ratio (Displayed)"
}, {
"type": "text",
"itemType": "text",
"text": "Aspect Ratio (Actual)"
}],
"items": []
}
},
"deprecations": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": {
"value": []
},
"scoringMode": "binary",
"name": "deprecations",
"category": "Deprecations",
"description": "Avoids deprecated APIs",
"helpText": "Deprecated APIs will eventually be removed from the browser. [Learn more](https://www.chromestatus.com/features#deprecated).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "code",
"text": "Deprecation / Warning"
}, {
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Line"
}],
"items": []
}
},
"pwa-cross-browser": {
"score": false,
"displayValue": "",
"rawValue": false,
"scoringMode": "binary",
"informative": true,
"manual": true,
"name": "pwa-cross-browser",
"category": "PWA",
"description": "Site works cross-browser",
"helpText": "To reach the most number of users, sites should work across every major browser. [Learn more](https://developers.google.com/web/progressive-web-apps/checklist#site-works-cross-browser)."
},
"pwa-page-transitions": {
"score": false,
"displayValue": "",
"rawValue": false,
"scoringMode": "binary",
"informative": true,
"manual": true,
"name": "pwa-page-transitions",
"category": "PWA",
"description": "Page transitions don't feel like they block on the network",
"helpText": "Transitions should feel snappy as you tap around, even on a slow network, a key to perceived performance. [Learn more](https://developers.google.com/web/progressive-web-apps/checklist#page-transitions-dont-feel-like-they-block-on-the-network)."
},
"pwa-each-page-has-url": {
"score": false,
"displayValue": "",
"rawValue": false,
"scoringMode": "binary",
"informative": true,
"manual": true,
"name": "pwa-each-page-has-url",
"category": "PWA",
"description": "Each page has a URL",
"helpText": "Ensure individual pages are deep linkable via the URLs and that URLs are unique for the purpose of shareability on social media. [Learn more](https://developers.google.com/web/progressive-web-apps/checklist#each-page-has-a-url)."
},
"accesskeys": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "accesskeys",
"category": "Accessibility",
"description": "`[accesskey]` values are unique.",
"helpText": "Access keys let users quickly focus a part of the page. For proper navigation, each access key must be unique. [Learn more](https://dequeuniversity.com/rules/axe/2.2/accesskeys?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"aria-allowed-attr": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "aria-allowed-attr",
"category": "Accessibility",
"description": "`[aria-*]` attributes match their roles.",
"helpText": "Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-allowed-attr?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"aria-required-attr": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "aria-required-attr",
"category": "Accessibility",
"description": "`[role]`s have all required `[aria-*]` attributes.",
"helpText": "Some ARIA roles have required attributes that describe the state of the element to screen readers. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-required-attr?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"aria-required-children": {
"score": false,
"displayValue": "",
"rawValue": false,
"extendedInfo": {
"value": {
"id": "aria-required-children",
"impact": "critical",
"tags": ["cat.aria", "wcag2a", "wcag131"],
"description": "Ensures elements with an ARIA role that require child roles contain them",
"help": "Certain ARIA roles must contain particular children",
"helpUrl": "https://dequeuniversity.com/rules/axe/2.4/aria-required-children?application=axeAPI",
"nodes": [{
"any": null,
"all": null,
"none": null,
"impact": "critical",
"html": "<input class=\"lst lst-tbb gsfi\" id=\"lst-ib\" maxlength=\"2048\" name=\"q\" autocapitalize=\"off\" autocomplete=\"off\" autocorrect=\"off\" title=\"\" type=\"search\" value=\"\" aria-label=\"Search\" aria-haspopup=\"false\" role=\"combobox\" aria-autocomplete=\"list\" dir=\"ltr\" spellcheck=\"false\" style=\"outline: none;\">",
"element": null,
"target": ["#lst-ib"],
"failureSummary": "Fix any of the following:\n Required ARIA children role not present: listbox textbox",
"path": "1,HTML,1,BODY,1,DIV,3,DIV,1,DIV,1,DIV,0,FORM,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,INPUT",
"snippet": "<input class=\"lst lst-tbb gsfi\" id=\"lst-ib\" maxlength=\"2048\" name=\"q\" autocapitalize=\"off\" autocomplete=\"off\" autocorrect=\"off\" title=\"\" type=\"search\" value=\"\" aria-label=\"Search\" aria-haspopup=\"false\" role=\"combobox\" aria-autocomplete=\"list\" dir=\"ltr\" spellcheck=\"false\" style=\"outline: none;\">"
}]
}
},
"scoringMode": "binary",
"name": "aria-required-children",
"category": "Accessibility",
"description": "Elements with `[role]` that require specific children `[role]`s, are missing.",
"helpText": "Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-required-children?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": [{
"type": "node",
"selector": "#lst-ib",
"path": "1,HTML,1,BODY,1,DIV,3,DIV,1,DIV,1,DIV,0,FORM,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,INPUT",
"snippet": "<input class=\"lst lst-tbb gsfi\" id=\"lst-ib\" maxlength=\"2048\" name=\"q\" autocapitalize=\"off\" autocomplete=\"off\" autocorrect=\"off\" title=\"\" type=\"search\" value=\"\" aria-label=\"Search\" aria-haspopup=\"false\" role=\"combobox\" aria-autocomplete=\"list\" dir=\"ltr\" spellcheck=\"false\" style=\"outline: none;\">"
}]
}
},
"aria-required-parent": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "aria-required-parent",
"category": "Accessibility",
"description": "`[role]`s are contained by their required parent element.",
"helpText": "Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-required-parent?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"aria-roles": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "aria-roles",
"category": "Accessibility",
"description": "`[role]` values are valid.",
"helpText": "ARIA roles must have valid values in order to perform their intended accessibility functions. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-roles?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"aria-valid-attr-value": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "aria-valid-attr-value",
"category": "Accessibility",
"description": "`[aria-*]` attributes have valid values.",
"helpText": "Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-valid-attr-value?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"aria-valid-attr": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "aria-valid-attr",
"category": "Accessibility",
"description": "`[aria-*]` attributes are valid and not misspelled.",
"helpText": "Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. [Learn more](https://dequeuniversity.com/rules/axe/2.2/aria-valid-attr?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"audio-caption": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "audio-caption",
"category": "Accessibility",
"description": "`<audio>` elements contain a `<track>` element with `[kind=\"captions\"]`.",
"helpText": "Captions make audio elements usable for deaf or hearing-impaired users, providing critical information such as who is talking, what they're saying, and other non-speech information. [Learn more](https://dequeuniversity.com/rules/axe/2.2/audio-caption?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"button-name": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "button-name",
"category": "Accessibility",
"description": "Buttons have an accessible name.",
"helpText": "When a button doesn't have an accessible name, screen readers announce it as \"button\", making it unusable for users who rely on screen readers. [Learn more](https://dequeuniversity.com/rules/axe/2.2/button-name?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"bypass": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "bypass",
"category": "Accessibility",
"description": "The page contains a heading, skip link, or landmark region.",
"helpText": "Adding ways to bypass repetitive content lets keyboard users navigate the page more efficiently. [Learn more](https://dequeuniversity.com/rules/axe/2.2/bypass?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"color-contrast": {
"score": false,
"displayValue": "",
"rawValue": false,
"extendedInfo": {
"value": {
"id": "color-contrast",
"impact": "serious",
"tags": ["cat.color", "wcag2aa", "wcag143"],
"description": "Ensures the contrast between foreground and background colors meets WCAG 2 AA contrast ratio thresholds",
"help": "Elements must have sufficient color contrast",
"helpUrl": "https://dequeuniversity.com/rules/axe/2.4/color-contrast?application=axeAPI",
"nodes": [{
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"active\" href=\"https://www.google.com/webhp?output=search\">All</a>",
"element": null,
"target": ["#_SJh > a:nth-child(1)"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 3.56 (foreground color: #4285f4, background color: #ffffff, font size: 9.0pt, font weight: bold)",
"path": "1,HTML,1,BODY,1,DIV,2,HEADER,1,DIV,0,A",
"snippet": "<a class=\"active\" href=\"https://www.google.com/webhp?output=search\">"
}, {
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"_Gs\" href=\"https://www.google.com/preferences?hl=en\" id=\"fsettl\" aria-controls=\"fsett\" aria-expanded=\"false\" role=\"button\" jsaction=\"foot.cst\">Settings</a>",
"element": null,
"target": ["#fsettl"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 4 (foreground color: #777777, background color: #f2f2f2, font size: 9.8pt, font weight: normal)",
"path": "1,HTML,1,BODY,2,DIV,0,DIV,0,SPAN,0,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/preferences?hl=en\" id=\"fsettl\" aria-controls=\"fsett\" aria-expanded=\"false\" role=\"button\" jsaction=\"foot.cst\">"
}, {
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"_Gs\" href=\"//www.google.com/intl/en_us/policies/privacy/?fg=1\">Privacy</a>",
"element": null,
"target": ["._SAi > a:nth-child(2)"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 4 (foreground color: #777777, background color: #f2f2f2, font size: 9.8pt, font weight: normal)",
"path": "1,HTML,1,BODY,2,DIV,0,DIV,1,A",
"snippet": "<a class=\"_Gs\" href=\"//www.google.com/intl/en_us/policies/privacy/?fg=1\">"
}, {
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"_Gs\" href=\"//www.google.com/intl/en_us/policies/terms/?fg=1\">Terms</a>",
"element": null,
"target": ["._SAi > a:nth-child(3)"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 4 (foreground color: #777777, background color: #f2f2f2, font size: 9.8pt, font weight: normal)",
"path": "1,HTML,1,BODY,2,DIV,0,DIV,2,A",
"snippet": "<a class=\"_Gs\" href=\"//www.google.com/intl/en_us/policies/terms/?fg=1\">"
}, {
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"_Gs\" href=\"https://www.google.com/intl/en_us/ads/?subid=ww-ww-et-g-awa-a-g_hpafoot1_1!o2&amp;utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=google_hpafooter&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/intl/en_us/ads/%3Fsubid%3Dww-ww-et-g-awa-a-g_hpafoot1_1!o2%26utm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dgoogle_hpafooter%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQkdQCCBY&amp;usg=AOvVaw3XLzhicA5ZZW0afDbW0l2T\" oncontextmenu=\"google.ctpacw.cm(this)\">",
"element": null,
"target": ["html > body > div:nth-child(3) > div:nth-child(2) > a:nth-child(1)"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 4 (foreground color: #777777, background color: #f2f2f2, font size: 9.8pt, font weight: normal)",
"path": "1,HTML,1,BODY,2,DIV,1,DIV,0,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/intl/en_us/ads/?subid=ww-ww-et-g-awa-a-g_hpafoot1_1!o2&amp;utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=google_hpafooter&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/intl/en_us/ads/%3Fsubid%3Dww-ww-et-g-awa-a-g_hpafoot1_1!o2%26utm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dgoogle_hpafooter%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQkdQCCBY&amp;usg=AOvVaw3XLzhicA5ZZW0afDbW0l2T\" oncontextmenu=\"google.ctpacw.cm(this)\">"
}, {
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"_Gs\" href=\"https://www.google.com/services/?subid=ww-ww-et-g-awa-a-g_hpbfoot1_1!o2&amp;utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=google_hpbfooter&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/services/%3Fsubid%3Dww-ww-et-g-awa-a-g_hpbfoot1_1!o2%26utm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dgoogle_hpbfooter%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQktQCCBc&amp;usg=AOvVaw2SJ4zwRVXKyZr53qG9dm4K\" oncontextmenu=\"google.ctpacw.cm(this)\">",
"element": null,
"target": ["html > body > div:nth-child(3) > div:nth-child(2) > a:nth-child(2)"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 4 (foreground color: #777777, background color: #f2f2f2, font size: 9.8pt, font weight: normal)",
"path": "1,HTML,1,BODY,2,DIV,1,DIV,1,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/services/?subid=ww-ww-et-g-awa-a-g_hpbfoot1_1!o2&amp;utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=google_hpbfooter&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/services/%3Fsubid%3Dww-ww-et-g-awa-a-g_hpbfoot1_1!o2%26utm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dgoogle_hpbfooter%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQktQCCBc&amp;usg=AOvVaw2SJ4zwRVXKyZr53qG9dm4K\" oncontextmenu=\"google.ctpacw.cm(this)\">"
}, {
"any": null,
"all": null,
"none": null,
"impact": "serious",
"html": "<a class=\"_Gs\" href=\"https://www.google.com/intl/en_us/about/?utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=hp-footer&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/intl/en_us/about/%3Futm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dhp-footer%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQkNQCCBg&amp;usg=AOvVaw2L_azMVezKH1YYDrm6hplA\" oncontextmenu=\"google.ctpacw.cm(this)\">",
"element": null,
"target": ["html > body > div:nth-child(3) > div:nth-child(2) > a:nth-child(3)"],
"failureSummary": "Fix any of the following:\n Element has insufficient color contrast of 4 (foreground color: #777777, background color: #f2f2f2, font size: 9.8pt, font weight: normal)",
"path": "1,HTML,1,BODY,2,DIV,1,DIV,2,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/intl/en_us/about/?utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=hp-footer&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/intl/en_us/about/%3Futm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dhp-footer%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQkNQCCBg&amp;usg=AOvVaw2L_azMVezKH1YYDrm6hplA\" oncontextmenu=\"google.ctpacw.cm(this)\">"
}]
}
},
"scoringMode": "binary",
"name": "color-contrast",
"category": "Accessibility",
"description": "Background and foreground colors do not have a sufficient contrast ratio.",
"helpText": "Low-contrast text is difficult or impossible for many users to read. [Learn more](https://dequeuniversity.com/rules/axe/2.2/color-contrast?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": [{
"type": "node",
"selector": "#_SJh > a:nth-child(1)",
"path": "1,HTML,1,BODY,1,DIV,2,HEADER,1,DIV,0,A",
"snippet": "<a class=\"active\" href=\"https://www.google.com/webhp?output=search\">"
}, {
"type": "node",
"selector": "#fsettl",
"path": "1,HTML,1,BODY,2,DIV,0,DIV,0,SPAN,0,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/preferences?hl=en\" id=\"fsettl\" aria-controls=\"fsett\" aria-expanded=\"false\" role=\"button\" jsaction=\"foot.cst\">"
}, {
"type": "node",
"selector": "._SAi > a:nth-child(2)",
"path": "1,HTML,1,BODY,2,DIV,0,DIV,1,A",
"snippet": "<a class=\"_Gs\" href=\"//www.google.com/intl/en_us/policies/privacy/?fg=1\">"
}, {
"type": "node",
"selector": "._SAi > a:nth-child(3)",
"path": "1,HTML,1,BODY,2,DIV,0,DIV,2,A",
"snippet": "<a class=\"_Gs\" href=\"//www.google.com/intl/en_us/policies/terms/?fg=1\">"
}, {
"type": "node",
"selector": "html > body > div:nth-child(3) > div:nth-child(2) > a:nth-child(1)",
"path": "1,HTML,1,BODY,2,DIV,1,DIV,0,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/intl/en_us/ads/?subid=ww-ww-et-g-awa-a-g_hpafoot1_1!o2&amp;utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=google_hpafooter&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/intl/en_us/ads/%3Fsubid%3Dww-ww-et-g-awa-a-g_hpafoot1_1!o2%26utm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dgoogle_hpafooter%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQkdQCCBY&amp;usg=AOvVaw3XLzhicA5ZZW0afDbW0l2T\" oncontextmenu=\"google.ctpacw.cm(this)\">"
}, {
"type": "node",
"selector": "html > body > div:nth-child(3) > div:nth-child(2) > a:nth-child(2)",
"path": "1,HTML,1,BODY,2,DIV,1,DIV,1,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/services/?subid=ww-ww-et-g-awa-a-g_hpbfoot1_1!o2&amp;utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=google_hpbfooter&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/services/%3Fsubid%3Dww-ww-et-g-awa-a-g_hpbfoot1_1!o2%26utm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dgoogle_hpbfooter%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQktQCCBc&amp;usg=AOvVaw2SJ4zwRVXKyZr53qG9dm4K\" oncontextmenu=\"google.ctpacw.cm(this)\">"
}, {
"type": "node",
"selector": "html > body > div:nth-child(3) > div:nth-child(2) > a:nth-child(3)",
"path": "1,HTML,1,BODY,2,DIV,1,DIV,2,A",
"snippet": "<a class=\"_Gs\" href=\"https://www.google.com/intl/en_us/about/?utm_source=google.com&amp;utm_medium=referral&amp;utm_campaign=hp-footer&amp;fg=1\" ping=\"/url?sa=t&amp;source=web&amp;rct=j&amp;url=https://www.google.com/intl/en_us/about/%3Futm_source%3Dgoogle.com%26utm_medium%3Dreferral%26utm_campaign%3Dhp-footer%26fg%3D1&amp;ved=0ahUKEwi00_eYo53XAhUrh1QKHaztD3IQkNQCCBg&amp;usg=AOvVaw2L_azMVezKH1YYDrm6hplA\" oncontextmenu=\"google.ctpacw.cm(this)\">"
}]
}
},
"definition-list": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "definition-list",
"category": "Accessibility",
"description": "`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>` or `<template>` elements.",
"helpText": "When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. [Learn more](https://dequeuniversity.com/rules/axe/2.2/definition-list?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"dlitem": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "dlitem",
"category": "Accessibility",
"description": "Definition list items are wrapped in `<dl>` elements.",
"helpText": "Definition list items (`<dt>` and `<dd>`) must be wrapped in a parent `<dl>` element to ensure that screen readers can properly announce them. [Learn more](https://dequeuniversity.com/rules/axe/2.2/dlitem?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"document-title": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "document-title",
"category": "Accessibility",
"description": "Document has a `<title>` element.",
"helpText": "Screen reader users use page titles to get an overview of the contents of the page. [Learn more](https://dequeuniversity.com/rules/axe/2.2/document-title?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"duplicate-id": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "duplicate-id",
"category": "Accessibility",
"description": "`[id]` attributes on the page are unique.",
"helpText": "The value of an id attribute must be unique to prevent other instances from being overlooked by assistive technologies. [Learn more](https://dequeuniversity.com/rules/axe/2.2/duplicate-id?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"frame-title": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "frame-title",
"category": "Accessibility",
"description": "`<frame>` or `<iframe>` elements have a title.",
"helpText": "Screen reader users rely on frame titles to describe the contents of frames. [Learn more](https://dequeuniversity.com/rules/axe/2.2/frame-title?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"html-has-lang": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "html-has-lang",
"category": "Accessibility",
"description": "`<html>` element has a `[lang]` attribute.",
"helpText": "If a page doesn't specify a lang attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. [Learn more](https://dequeuniversity.com/rules/axe/2.2/html-lang?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"html-lang-valid": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "html-lang-valid",
"category": "Accessibility",
"description": "`<html>` element has a valid value for its `[lang]` attribute.",
"helpText": "Specifying a valid [BCP 47 language](https://www.w3.org/International/questions/qa-choosing-language-tags#question) helps screen readers announce text properly. [Learn more](https://dequeuniversity.com/rules/axe/2.2/valid-lang?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"image-alt": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "image-alt",
"category": "Accessibility",
"description": "Image elements have `[alt]` attributes.",
"helpText": "Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute.[Learn more](https://dequeuniversity.com/rules/axe/2.2/image-alt?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"input-image-alt": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "input-image-alt",
"category": "Accessibility",
"description": "`<input type=\"image\">` elements have `[alt]` text.",
"helpText": "When an image is being used as an `<input>` button, providing alternative text can help screen reader users understand the purpose of the button. [Learn more](https://dequeuniversity.com/rules/axe/2.2/input-image-alt?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"label": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "label",
"category": "Accessibility",
"description": "Form elements have associated labels.",
"helpText": "Labels ensure that form controls are announced properly by assistive technologies, like screen readers. [Learn more](https://dequeuniversity.com/rules/axe/2.2/label?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"layout-table": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "layout-table",
"category": "Accessibility",
"description": "Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.",
"helpText": "A table being used for layout purposes should not include data elements, such as the th or caption elements or the summary attribute, because this can create a confusing experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/layout-table?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"link-name": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "link-name",
"category": "Accessibility",
"description": "Links have a discernible name.",
"helpText": "Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/link-name?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"list": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "list",
"category": "Accessibility",
"description": "Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).",
"helpText": "Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. [Learn more](https://dequeuniversity.com/rules/axe/2.2/list?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"listitem": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "listitem",
"category": "Accessibility",
"description": "List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements.",
"helpText": "Screen readers require list items (`<li>`) to be contained within a parent `<ul>` or `<ol>` to be announced properly. [Learn more](https://dequeuniversity.com/rules/axe/2.2/listitem?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"meta-refresh": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "meta-refresh",
"category": "Accessibility",
"description": "The document does not use `<meta http-equiv=\"refresh\">`.",
"helpText": "Users do not expect a page to refresh automatically, and doing so will move focus back to the top of the page. This may create a frustrating or confusing experience. [Learn more](https://dequeuniversity.com/rules/axe/2.2/meta-refresh?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"meta-viewport": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "meta-viewport",
"category": "Accessibility",
"description": "`[user-scalable=\"no\"]` is not used in the `<meta name=\"viewport\">` element and the `[maximum-scale]` attribute is not less than 5.",
"helpText": "Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. [Learn more](https://dequeuniversity.com/rules/axe/2.2/meta-viewport?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"object-alt": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "object-alt",
"category": "Accessibility",
"description": "`<object>` elements have `[alt]` text.",
"helpText": "Screen readers cannot translate non-text content. Adding alt text to `<object>` elements helps screen readers convey meaning to users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/object-alt?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"tabindex": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "tabindex",
"category": "Accessibility",
"description": "No element has a `[tabindex]` value greater than 0.",
"helpText": "A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. [Learn more](https://dequeuniversity.com/rules/axe/2.2/tabindex?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"td-headers-attr": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "td-headers-attr",
"category": "Accessibility",
"description": "Cells in a `<table>` element that use the `[headers]` attribute only refer to other cells of that same table.",
"helpText": "Screen readers have features to make navigating tables easier. Ensuring `<td>` cells using the `[headers]` attribute only refer to other cells in the same table may improve the experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/td-headers-attr?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"th-has-data-cells": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "th-has-data-cells",
"category": "Accessibility",
"description": "`<th>` elements and elements with `[role=\"columnheader\"/\"rowheader\"]` have data cells they describe.",
"helpText": "Screen readers have features to make navigating tables easier. Ensuring table headers always refer to some set of cells may improve the experience for screen reader users. [Learn more](https://dequeuniversity.com/rules/axe/2.2/th-has-data-cells?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"valid-lang": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "valid-lang",
"category": "Accessibility",
"description": "`[lang]` attributes have a valid value.",
"helpText": "Specifying a valid [BCP 47 language](https://www.w3.org/International/questions/qa-choosing-language-tags#question) on elements helps ensure that text is pronounced correctly by a screen reader. [Learn more](https://dequeuniversity.com/rules/axe/2.2/valid-lang?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"video-caption": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "video-caption",
"category": "Accessibility",
"description": "`<video>` elements contain a `<track>` element with `[kind=\"captions\"]`.",
"helpText": "When a video provides a caption it is easier for deaf and hearing impaired users to access its information. [Learn more](https://dequeuniversity.com/rules/axe/2.2/video-caption?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"video-description": {
"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": [],
"scoringMode": "binary",
"name": "video-description",
"category": "Accessibility",
"description": "`<video>` elements contain a `<track>` element with `[kind=\"description\"]`.",
"helpText": "Audio descriptions provide relevant information for videos that dialogue cannot, such as facial expressions and scenes. [Learn more](https://dequeuniversity.com/rules/axe/2.2/video-description?application=lighthouse).",
"details": {
"type": "list",
"header": {
"type": "text",
"text": "View failing elements"
},
"items": []
}
},
"total-byte-weight": {
"score": 100,
"displayValue": "Total size was 284 KB",
"rawValue": 290848,
"optimalValue": "< 1,600 KB",
"extendedInfo": {
"value": {
"results": [{
"url": "https://www.google.com/xjs/_/js/k=xjs.qs.en_US.9iVD-B841pY.O/m=sx,c,sb_mob,bct,cdos,elog,hsm,jsa,mbsf,qim,r,d,csi/am=gEXkGif4kABkjhIbjLAXoAIqAgI/rt=j/d=1/t=zcms/rs=ACT90oFsA8EvebJg7h1VaPRRKrbw17668w",
"totalBytes": 148224,
"totalKb": "145 KB",
"totalMs": "590 ms"
}, {
"url": "https://www.google.com/?gws_rd=ssl",
"totalBytes": 34343,
"totalKb": "34 KB",
"totalMs": "140 ms"
}, {
"url": "https://www.google.com/xjs/_/js/k=xjs.qs.en_US.BzBRu1IK-pk.O/m=d3l,udlg,aa,abd,async,dvl,foot,ipv6,rQSi2/am=gEXkGif4kABkjhIbjLAXoAIqAgI/exm=sx,c,sb_mob,bct,cdos,elog,hsm,jsa,mbsf,qim,r,d,csi/rt=j/d=1/ed=1/t=zcms/rs=ACT90oEbep-jxCB-qjvFKDovVmRhAsjFGw",
"totalBytes": 26508,
"totalKb": "26 KB",
"totalMs": "110 ms"
}, {
"url": "https://www.gstatic.com/og/_/js/k=og.mob.en_US.ZRXpctoGUVI.O/rt=j/m=md/exm=mih,mab,meb/d=1/ed=1/rs=AA2YrTvcfpqwXOv6TzL9arJI2EWyxGtQuw",
"totalBytes": 21512,
"totalKb": "21 KB",
"totalMs": "90 ms"
}, {
"url": "https://www.google.com/images/nav_logo242_hr.webp",
"totalBytes": 20465,
"totalKb": "20 KB",
"totalMs": "80 ms"
}, {
"url": "https://www.google.com/images/nav_logo242.png",
"totalBytes": 16908,
"totalKb": "17 KB",
"totalMs": "70 ms"
}, {
"url": "https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_160x56dp.png",
"totalBytes": 7173,
"totalKb": "7 KB",
"totalMs": "30 ms"
}, {
"url": "https://www.google.com/images/branding/product/1x/gsa_android_144dp.png",
"totalBytes": 5027,
"totalKb": "5 KB",
"totalMs": "20 ms"
}, {
"url": "https://ssl.gstatic.com/gb/images/qi2_00ed8ca1.png",
"totalBytes": 3545,
"totalKb": "3 KB",
"totalMs": "10 ms"
}, {
"url": "https://www.gstatic.com/og/_/ss/k=og.mob.1ruvdbwp9vcw3.L.W.O/m=md/excm=mih,mab,meb/d=1/ed=1/rs=AA2YrTtC1On1meUvxdGo6Pda08s7tfyzGQ",
"totalBytes": 2631,
"totalKb": "3 KB",
"totalMs": "10 ms"
}],
"totalCompletedRequests": 18
}
},
"scoringMode": "numeric",
"name": "total-byte-weight",
"category": "Network",
"description": "Avoids enormous network payloads",
"helpText": "Network transfer size [costs users real money](https://whatdoesmysitecost.com/) and is [highly correlated](http://httparchive.org/interesting.php#onLoad) with long load times. Try to find ways to reduce the size of required files.",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Total Size"
}, {
"type": "text",
"itemType": "text",
"text": "Transfer Time"
}],
"items": [
[{
"type": "url",
"text": "https://www.google.com/xjs/_/js/k=xjs.qs.en_US.9iVD-B841pY.O/m=sx,c,sb_mob,bct,cdos,elog,hsm,jsa,mbsf,qim,r,d,csi/am=gEXkGif4kABkjhIbjLAXoAIqAgI/rt=j/d=1/t=zcms/rs=ACT90oFsA8EvebJg7h1VaPRRKrbw17668w"
}, {
"type": "text",
"text": "145 KB"
}, {
"type": "text",
"text": "590 ms"
}],
[{
"type": "url",
"text": "https://www.google.com/?gws_rd=ssl"
}, {
"type": "text",
"text": "34 KB"
}, {
"type": "text",
"text": "140 ms"
}],
[{
"type": "url",
"text": "https://www.google.com/xjs/_/js/k=xjs.qs.en_US.BzBRu1IK-pk.O/m=d3l,udlg,aa,abd,async,dvl,foot,ipv6,rQSi2/am=gEXkGif4kABkjhIbjLAXoAIqAgI/exm=sx,c,sb_mob,bct,cdos,elog,hsm,jsa,mbsf,qim,r,d,csi/rt=j/d=1/ed=1/t=zcms/rs=ACT90oEbep-jxCB-qjvFKDovVmRhAsjFGw"
}, {
"type": "text",
"text": "26 KB"
}, {
"type": "text",
"text": "110 ms"
}],
[{
"type": "url",
"text": "https://www.gstatic.com/og/_/js/k=og.mob.en_US.ZRXpctoGUVI.O/rt=j/m=md/exm=mih,mab,meb/d=1/ed=1/rs=AA2YrTvcfpqwXOv6TzL9arJI2EWyxGtQuw"
}, {
"type": "text",
"text": "21 KB"
}, {
"type": "text",
"text": "90 ms"
}],
[{
"type": "url",
"text": "https://www.google.com/images/nav_logo242_hr.webp"
}, {
"type": "text",
"text": "20 KB"
}, {
"type": "text",
"text": "80 ms"
}],
[{
"type": "url",
"text": "https://www.google.com/images/nav_logo242.png"
}, {
"type": "text",
"text": "17 KB"
}, {
"type": "text",
"text": "70 ms"
}],
[{
"type": "url",
"text": "https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_160x56dp.png"
}, {
"type": "text",
"text": "7 KB"
}, {
"type": "text",
"text": "30 ms"
}],
[{
"type": "url",
"text": "https://www.google.com/images/branding/product/1x/gsa_android_144dp.png"
}, {
"type": "text",
"text": "5 KB"
}, {
"type": "text",
"text": "20 ms"
}],
[{
"type": "url",
"text": "https://ssl.gstatic.com/gb/images/qi2_00ed8ca1.png"
}, {
"type": "text",
"text": "3 KB"
}, {
"type": "text",
"text": "10 ms"
}],
[{
"type": "url",
"text": "https://www.gstatic.com/og/_/ss/k=og.mob.1ruvdbwp9vcw3.L.W.O/m=md/excm=mih,mab,meb/d=1/ed=1/rs=AA2YrTtC1On1meUvxdGo6Pda08s7tfyzGQ"
}, {
"type": "text",
"text": "3 KB"
}, {
"type": "text",
"text": "10 ms"
}]
]
}
},
"offscreen-images": {
"score": 100,
"displayValue": "",
"rawValue": 0,
"extendedInfo": {
"value": {
"wastedMs": 0,
"wastedKb": 0,
"results": []
}
},
"scoringMode": "binary",
"informative": true,
"name": "offscreen-images",
"category": "Images",
"description": "Offscreen images",
"helpText": "Consider lazy-loading offscreen images to improve page load speed and time to interactive. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/offscreen-images).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "thumbnail",
"text": ""
}, {
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Original"
}, {
"type": "text",
"itemType": "text",
"text": "Potential Savings"
}],
"items": []
}
},
"uses-webp-images": {
"score": 100,
"displayValue": "",
"rawValue": 0,
"extendedInfo": {
"value": {
"wastedMs": 0,
"wastedKb": 0,
"results": []
}
},
"scoringMode": "binary",
"informative": true,
"name": "uses-webp-images",
"category": "Images",
"description": "Serve images as WebP",
"helpText": "WebP provides better lossy and lossless compression than PNG or JPEG, which means faster downloads and less data consumption. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/webp).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "thumbnail",
"text": ""
}, {
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Original"
}, {
"type": "text",
"itemType": "text",
"text": "Potential Savings"
}],
"items": []
}
},
"uses-optimized-images": {
"score": 100,
"displayValue": "",
"rawValue": 0,
"extendedInfo": {
"value": {
"wastedMs": 0,
"wastedKb": 0,
"results": []
}
},
"scoringMode": "binary",
"informative": true,
"name": "uses-optimized-images",
"category": "Images",
"description": "Optimize images",
"helpText": "Optimized images load faster and consume less cellular data. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/optimize-images).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "thumbnail",
"text": ""
}, {
"type": "text",
"itemType": "url",
"text": "URL"
}, {
"type": "text",
"itemType": "text",
"text": "Original"
}, {
"type": "text",
"itemType": "text",
"text": "Potential Savings"
}],
"items": []
}
},
"uses-request-compression": {
"score": 100,
"displayValue": "",
"rawValue": 0,
"extendedInfo": {
"value": {
"wastedMs": 0,
"wastedKb": 0,
"results": []
}
},
"scoringMode": "binary",
"informative": true,
"name": "uses-request-compression",
"category": "Performance",
"description": "Enable text compression",
"helpText": "Text-based responses should be served with compression (gzip, deflate or brotli) to minimize total network bytes. [Learn more](https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/optimize-encoding-and-transfer).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "url",
"text": "Uncompressed resource URL"
}, {
"type": "text",
"itemType": "text",
"text": "Original"
}, {
"type": "text",
"itemType": "text",
"text": "GZIP Savings"
}],
"items": []
}
},
"uses-responsive-images": {
"score": 100,
"displayValue": "",
"rawValue": 0,
"extendedInfo": {
"value": {
"wastedMs": 0,
"wastedKb": 0,
"results": []
}
},
"scoringMode": "binary",
"informative": true,
"name": "uses-responsive-images",
"category": "Images",
"description": "Properly size images",
"helpText": "Serve images that are appropriately-sized to save cellular data and improve load time. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/oversized-images).",
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"header": "View Details",
"itemHeaders": [{
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"displayValue": "",
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"category": "Offline",
"description": "Avoids Application Cache",
"helpText": "Application Cache is deprecated. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/appcache)."
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"displayValue": "353 nodes",
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"value": "353",
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"value": "16",
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"value": "14",
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"scoringMode": "numeric",
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"header": {
"type": "text",
"text": "View details"
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"items": [{
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"target": "< 1,500 nodes"
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"title": "DOM Depth",
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"target": "< 32"
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"title": "Maximum Children",
"value": "14",
"snippet": "Element with most children:\nhead",
"target": "< 60 nodes"
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}
},
"external-anchors-use-rel-noopener": {
"score": false,
"displayValue": "",
"rawValue": false,
"extendedInfo": {
"value": [{
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"rel": "",
"url": "<a href=\"javascript:void(0)\" target=\"_blank\">"
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"target": "_blank",
"rel": "",
"url": "<a href=\"javascript:void(0)\" target=\"_blank\">"
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"scoringMode": "binary",
"name": "external-anchors-use-rel-noopener",
"category": "Performance",
"description": "Does not open external anchors using `rel=\"noopener\"`",
"helpText": "Open new tabs using `rel=\"noopener\"` to improve performance and prevent security vulnerabilities. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/noopener).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
"type": "text",
"itemType": "url",
"text": "URL"
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"type": "text",
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"text": "Rel"
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"items": [
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"displayValue": "",
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"scoringMode": "binary",
"name": "geolocation-on-start",
"category": "UX",
"description": "Avoids requesting the geolocation permission on page load",
"helpText": "Users are mistrustful of or confused by sites that request their location without context. Consider tying the request to user gestures instead. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/geolocation-on-load).",
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"header": "View Details",
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"text": "URL"
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"name": "link-blocking-first-paint",
"category": "Performance",
"description": "Reduce render-blocking stylesheets",
"helpText": "Link elements are blocking the first paint of your page. Consider inlining critical links and deferring non-critical ones. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/blocking-resources).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
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"text": "URL"
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"extendedInfo": {
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"scoringMode": "binary",
"name": "no-document-write",
"category": "Performance",
"description": "Avoids `document.write()`",
"helpText": "For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/document-write).",
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"header": "View Details",
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},
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"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": {
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"scoringMode": "binary",
"name": "no-mutation-events",
"category": "JavaScript",
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"helpText": "Mutation Events are deprecated and harm performance. Consider using Mutation Observers instead. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/mutation-events).",
"details": {
"type": "table",
"header": "View Details",
"itemHeaders": [{
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"itemType": "url",
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"itemType": "code",
"text": "Event"
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"itemType": "text",
"text": "Line"
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"itemType": "text",
"text": "Col"
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"score": true,
"displayValue": "",
"rawValue": true,
"scoringMode": "binary",
"name": "no-vulnerable-libraries",
"category": "Security",
"description": "Avoids front-end JavaScript libraries with known security vulnerabilities",
"helpText": "Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers."
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"score": true,
"displayValue": "",
"rawValue": true,
"debugString": "",
"scoringMode": "binary",
"name": "no-websql",
"category": "Offline",
"description": "Avoids WebSQL DB",
"helpText": "Web SQL is deprecated. Consider using IndexedDB instead. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/web-sql)."
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"score": true,
"displayValue": "",
"rawValue": true,
"extendedInfo": {
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"scoringMode": "binary",
"name": "notification-on-start",
"category": "UX",
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"helpText": "Users are mistrustful of or confused by sites that request to send notifications without context. Consider tying the request to user gestures instead. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/notifications-on-load).",
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"header": "View Details",
"itemHeaders": [{
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"extendedInfo": {
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"category": "UX",
"description": "Allows users to paste into password fields",
"helpText": "Preventing password pasting undermines good security policy. [Learn more](https://www.ncsc.gov.uk/blog-post/let-them-paste-passwords)",
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"description": "Reduce render-blocking scripts",
"helpText": "Script elements are blocking the first paint of your page. Consider inlining critical scripts and deferring non-critical ones. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/blocking-resources).",
"details": {
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"header": "View Details",
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"helpText": "HTTP/2 offers many benefits over HTTP/1.1, including binary headers, multiplexing, and server push. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/http2).",
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"helpText": "Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. [Learn more](https://developers.google.com/web/tools/lighthouse/audits/passive-event-listeners).",
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"runtimeConfig": {
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"reportCategories": [{
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"description": "These checks validate the aspects of a Progressive Web App, as specified by the baseline [PWA Checklist](https://developers.google.com/web/progressive-web-apps/checklist).",
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"name": "Accessibility",
"description": "These checks highlight opportunities to [improve the accessibility of your app](https://developers.google.com/web/fundamentals/accessibility).",
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"id": "best-practices",
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"reportGroups": {
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"perf-info": {
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"description": "More information about the performance of your application."
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"a11y-color-contrast": {
"title": "Color Contrast Is Satisfactory",
"description": "These are opportunities to improve the legibility of your content."
},
"a11y-describe-contents": {
"title": "Elements Describe Contents Well",
"description": "These are opportunities to make your content easier to understand for a user of assistive technology, like a screen reader."
},
"a11y-well-structured": {
"title": "Elements Are Well Structured",
"description": "These are opportunities to make sure your HTML is appropriately structured."
},
"a11y-aria": {
"title": "ARIA Attributes Follow Best Practices",
"description": "These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader."
},
"a11y-correct-attributes": {
"title": "Elements Use Attributes Correctly",
"description": "These are opportunities to improve the configuration of your HTML elements."
},
"a11y-element-names": {
"title": "Elements Have Discernable Names",
"description": "These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader."
},
"a11y-language": {
"title": "Page Specifies Valid Language",
"description": "These are opportunities to improve the interpretation of your content by users in different locales."
},
"a11y-meta": {
"title": "Meta Tags Used Properly",
"description": "These are opportunities to improve the user experience of your site."
},
"manual-pwa-checks": {
"title": "Manual checks to verify",
"description": "These checks are required by the baseline [PWA Checklist](https://developers.google.com/web/progressive-web-apps/checklist) but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually."
}
},
"timing": {
"total": 19874
}
}
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