Results related to blog post: https://www.peterbe.com/plog/an-awesome-snippet-to-web-performance-test-a-page-programmtically

output.txt

==== performance.getEntries() ====

[
  {
    "name": "https://www.peterbe.com/",
    "entryType": "navigation",
    "startTime": 0,
    "duration": 875.9999999892898,
    "initiatorType": "navigation",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 0.10000000474974513,
    "domainLookupStart": 13.299999991431832,
    "domainLookupEnd": 35.99999999278225,
    "connectStart": 35.99999999278225,
    "connectEnd": 282.00000000651926,
    "secureConnectionStart": 93.30000000772998,
    "requestStart": 284.4000000040978,
    "responseStart": 406.4000000071246,
    "responseEnd": 409.6999999892432,
    "transferSize": 18471,
    "encodedBodySize": 18086,
    "decodedBodySize": 72403,
    "serverTiming": [],
    "unloadEventStart": 0,
    "unloadEventEnd": 0,
    "domInteractive": 436.5000000107102,
    "domContentLoadedEventStart": 875.89999998454,
    "domContentLoadedEventEnd": 875.9999999892898,
    "domComplete": 875.9999999892898,
    "loadEventStart": 875.9999999892898,
    "loadEventEnd": 875.9999999892898,
    "type": "navigate",
    "redirectCount": 0
  },
  {
    "name": "https://www.peterbe.com/static/css/base.min.8c1ef15190f7.css",
    "entryType": "resource",
    "startTime": 422.3000000056345,
    "duration": 217.79999998398125,
    "initiatorType": "link",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 422.3000000056345,
    "domainLookupStart": 422.3000000056345,
    "domainLookupEnd": 422.3000000056345,
    "connectStart": 422.3000000056345,
    "connectEnd": 422.3000000056345,
    "secureConnectionStart": 0,
    "requestStart": 422.69999999552965,
    "responseStart": 530.9999999881256,
    "responseEnd": 640.0999999896158,
    "transferSize": 46223,
    "encodedBodySize": 45898,
    "decodedBodySize": 360844,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/static/js/google-analytics.min.f571ef2df3b3.js",
    "entryType": "resource",
    "startTime": 425.90000000200234,
    "duration": 213.49999998346902,
    "initiatorType": "script",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 425.90000000200234,
    "domainLookupStart": 425.90000000200234,
    "domainLookupEnd": 425.90000000200234,
    "connectStart": 425.90000000200234,
    "connectEnd": 425.90000000200234,
    "secureConnectionStart": 0,
    "requestStart": 426.89999999129213,
    "responseStart": 639.100000000326,
    "responseEnd": 639.3999999854714,
    "transferSize": 450,
    "encodedBodySize": 167,
    "decodedBodySize": 167,
    "serverTiming": []
  },
  {
    "name": "https://www.google-analytics.com/analytics.js",
    "entryType": "resource",
    "startTime": 426.10000001150183,
    "duration": 153.09999999590218,
    "initiatorType": "script",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.10000001150183,
    "domainLookupStart": 426.7999999865424,
    "domainLookupEnd": 461.29999999538995,
    "connectStart": 461.29999999538995,
    "connectEnd": 532.5000000011642,
    "secureConnectionStart": 488.40000000200234,
    "requestStart": 532.7000000106636,
    "responseStart": 560.5999999970663,
    "responseEnd": 579.200000007404,
    "transferSize": 16454,
    "encodedBodySize": 16173,
    "decodedBodySize": 39695,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/static/images/favicon-32.2f7785a88cef.png",
    "entryType": "resource",
    "startTime": 426.19999998714775,
    "duration": 213.6000000173226,
    "initiatorType": "img",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.19999998714775,
    "domainLookupStart": 426.19999998714775,
    "domainLookupEnd": 426.19999998714775,
    "connectStart": 426.19999998714775,
    "connectEnd": 426.19999998714775,
    "secureConnectionStart": 0,
    "requestStart": 431.5000000060536,
    "responseStart": 639.5999999949709,
    "responseEnd": 639.8000000044703,
    "transferSize": 2216,
    "encodedBodySize": 1951,
    "decodedBodySize": 1951,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/cache/6c/16/6c1697e20c518cddd31e602192b3dd65.png",
    "entryType": "resource",
    "startTime": 426.2999999918975,
    "duration": 220.3999999910593,
    "initiatorType": "img",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.2999999918975,
    "domainLookupStart": 426.2999999918975,
    "domainLookupEnd": 426.2999999918975,
    "connectStart": 426.2999999918975,
    "connectEnd": 426.2999999918975,
    "secureConnectionStart": 0,
    "requestStart": 431.5000000060536,
    "responseStart": 646.5000000025611,
    "responseEnd": 646.6999999829568,
    "transferSize": 14050,
    "encodedBodySize": 13775,
    "decodedBodySize": 13775,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/cache/45/89/4589b6a6220541708890269d3bbd222f.png",
    "entryType": "resource",
    "startTime": 426.2999999918975,
    "duration": 277.00000000186265,
    "initiatorType": "img",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.2999999918975,
    "domainLookupStart": 426.2999999918975,
    "domainLookupEnd": 426.2999999918975,
    "connectStart": 426.2999999918975,
    "connectEnd": 426.2999999918975,
    "secureConnectionStart": 0,
    "requestStart": 431.69999998644926,
    "responseStart": 703.0000000086147,
    "responseEnd": 703.2999999937601,
    "transferSize": 8720,
    "encodedBodySize": 8446,
    "decodedBodySize": 8446,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/cache/61/82/618271591e03c340de45938eabf1177d.png",
    "entryType": "resource",
    "startTime": 426.39999999664724,
    "duration": 278.50000001490116,
    "initiatorType": "img",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.39999999664724,
    "domainLookupStart": 426.39999999664724,
    "domainLookupEnd": 426.39999999664724,
    "connectStart": 426.39999999664724,
    "connectEnd": 426.39999999664724,
    "secureConnectionStart": 0,
    "requestStart": 431.69999998644926,
    "responseStart": 704.5999999972992,
    "responseEnd": 704.9000000115484,
    "transferSize": 7207,
    "encodedBodySize": 6942,
    "decodedBodySize": 6942,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/cache/26/a3/26a37da8427bc1ce86a88c5774a3aa4e.png",
    "entryType": "resource",
    "startTime": 426.39999999664724,
    "duration": 324.9000000068918,
    "initiatorType": "img",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.39999999664724,
    "domainLookupStart": 426.39999999664724,
    "domainLookupEnd": 426.39999999664724,
    "connectStart": 426.39999999664724,
    "connectEnd": 426.39999999664724,
    "secureConnectionStart": 0,
    "requestStart": 431.69999998644926,
    "responseStart": 750.9999999892898,
    "responseEnd": 751.300000003539,
    "transferSize": 7046,
    "encodedBodySize": 6781,
    "decodedBodySize": 6781,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/static/img/placeholder.eb3213dc5a98.png",
    "entryType": "resource",
    "startTime": 426.500000001397,
    "duration": 325.29999999678694,
    "initiatorType": "img",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 426.500000001397,
    "domainLookupStart": 426.500000001397,
    "domainLookupEnd": 426.500000001397,
    "connectStart": 426.500000001397,
    "connectEnd": 426.500000001397,
    "secureConnectionStart": 0,
    "requestStart": 431.69999998644926,
    "responseStart": 751.4999999839347,
    "responseEnd": 751.7999999981839,
    "transferSize": 540,
    "encodedBodySize": 277,
    "decodedBodySize": 277,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/static/js/base.min.b3d8838da6c5.js",
    "entryType": "resource",
    "startTime": 435.2999999828171,
    "duration": 381.00000002305023,
    "initiatorType": "script",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 435.2999999828171,
    "domainLookupStart": 435.2999999828171,
    "domainLookupEnd": 435.2999999828171,
    "connectStart": 435.2999999828171,
    "connectEnd": 435.2999999828171,
    "secureConnectionStart": 0,
    "requestStart": 435.7000000018161,
    "responseStart": 799.2000000085682,
    "responseEnd": 816.3000000058673,
    "transferSize": 31002,
    "encodedBodySize": 30675,
    "decodedBodySize": 92163,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/static/js/cssrelpreload.min.3bc1ee6f0a50.js",
    "entryType": "resource",
    "startTime": 435.39999998756684,
    "duration": 380.700000008801,
    "initiatorType": "script",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 435.39999998756684,
    "domainLookupStart": 435.39999998756684,
    "domainLookupEnd": 435.39999998756684,
    "connectStart": 435.39999998756684,
    "connectEnd": 435.39999998756684,
    "secureConnectionStart": 0,
    "requestStart": 435.90000001131557,
    "responseStart": 815.8999999868684,
    "responseEnd": 816.0999999963678,
    "transferSize": 809,
    "encodedBodySize": 511,
    "decodedBodySize": 1122,
    "serverTiming": []
  },
  {
    "name": "https://www.peterbe.com/static/js/autocompeter.min.3fc31b1b6673.js",
    "entryType": "resource",
    "startTime": 435.4999999923166,
    "duration": 416.1000000021886,
    "initiatorType": "script",
    "nextHopProtocol": "h2",
    "workerStart": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 435.4999999923166,
    "domainLookupStart": 435.4999999923166,
    "domainLookupEnd": 435.4999999923166,
    "connectStart": 435.4999999923166,
    "connectEnd": 435.4999999923166,
    "secureConnectionStart": 0,
    "requestStart": 436.09999999171123,
    "responseStart": 851.3000000093598,
    "responseEnd": 851.5999999945052,
    "transferSize": 605,
    "encodedBodySize": 307,
    "decodedBodySize": 477,
    "serverTiming": []
  },
  {
    "name": "first-paint",
    "entryType": "paint",
    "startTime": 813.3000000088941,
    "duration": 0
  },
  {
    "name": "first-contentful-paint",
    "entryType": "paint",
    "startTime": 813.3000000088941,
    "duration": 0
  }
]

==== performance.toJSON() ====

{
  "timeOrigin": 1538400230412.069,
  "timing": {
    "navigationStart": 1538400230412,
    "unloadEventStart": 0,
    "unloadEventEnd": 0,
    "redirectStart": 0,
    "redirectEnd": 0,
    "fetchStart": 1538400230412,
    "domainLookupStart": 1538400230425,
    "domainLookupEnd": 1538400230448,
    "connectStart": 1538400230448,
    "connectEnd": 1538400230694,
    "secureConnectionStart": 1538400230505,
    "requestStart": 1538400230696,
    "responseStart": 1538400230818,
    "responseEnd": 1538400230821,
    "domLoading": 1538400230831,
    "domInteractive": 1538400230848,
    "domContentLoadedEventStart": 1538400231288,
    "domContentLoadedEventEnd": 1538400231288,
    "domComplete": 1538400231288,
    "loadEventStart": 1538400231288,
    "loadEventEnd": 1538400231288
  },
  "navigation": {
    "type": 0,
    "redirectCount": 0
  }
}

==== page.metrics() ====

{
  "Timestamp": 253393.179884,
  "Documents": 4,
  "Frames": 1,
  "JSEventListeners": 8,
  "Nodes": 3020,
  "LayoutCount": 3,
  "RecalcStyleCount": 4,
  "LayoutDuration": 0.169552,
  "RecalcStyleDuration": 0.232853,
  "ScriptDuration": 0.07187,
  "TaskDuration": 0.534475,
  "JSHeapUsedSize": 3408856,
  "JSHeapTotalSize": 7589888
}