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Extract other important page load metrics from the WebPageTest API
#!/usr/bin/env jq -rMf
# Extract other metrics from the run data
# Headers for resulting CSV
["TTFB", "First Contentful Paint", "Start Render", "DOM Complete" , "Fully Loaded"],
# drill down into the runs data
(
.data.runs
# convert the run data into an object and drill down into the run request data
| to_entries[].value.firstView
# build an array of the resulting data we want in the CSV
| [.TTFB, .firstContentfulPaint, .render, .domComplete, .fullyLoaded]
)
# pass to the CSV formatter
| @csv
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