micmro/performance-bookmarklet
Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
Navigation Timing API measurement helpers
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Latest capture 2026-10-20 09:37
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Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
Automating Web Performance testing with Puppeteer 🎪
:clock8: :hourglass: timeago.js is a tiny(2.0 kb) library used to format date with `*** time ago` statement.
Front-end performance heatmap bookmarklet.
Web performance library for measuring all performance vitals metrics
A benchmarking library. As used on jsPerf.com.