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.
performance
bookmarklet
waterfall
performance-metrics
analyzer
requests
browser-extension
webperf
navigation-timing
resource-timing
user-timing
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Updated
Jul 31, 2020 - JavaScript
We should make it possible to edit the label of each HAR (the name HAR1 and HAR2 by default).
If we edit the name, we should change it in all places. That is super useful when you compare pages and wanna do screenshots.