Issues

• LastVisualChange reports late values caused by invisible browser re-rasterization noise

  sitespeedio/browsertime#2529 · Filter by author soulgalore opened on Jul 19, 2026

• Native support for external ad/tracker blocklists (URLs/Files) to measure third-party impact

  sitespeedio/browsertime#2364 · Filter by author deffcolony opened on Mar 10, 2026

• Fix url.parse() DeprecationWarning for NodeJS 24

  sitespeedio/browsertime#2336 · Filter by author soulgalore opened on Nov 10, 2025
  

• Firefox PerfStats feature mask needs to be updated to support 64bit mask

  bug
  sitespeedio/browsertime#2313 · Filter by author acreskeyMoz opened on Jul 17, 2025
  9

• Chrome 135 edge to edge on Android

  sitespeedio/browsertime#2265 · Filter by author soulgalore opened on Mar 4, 2025

• Create better error messages for broken scripts

  sitespeedio/browsertime#2248 · Filter by author soulgalore opened on Jan 9, 2025
  

• Visual metrics pick up too early First Visual change sometimes on Samsung A51

  androidVisual Metrics
  sitespeedio/browsertime#2224 · Filter by author soulgalore opened on Dec 18, 2024
  8

• Netlog stopped working for Firefox on Linux

  firefox
  sitespeedio/browsertime#2202 · Filter by author soulgalore opened on Nov 9, 2024
  6

• Wrong LCP element reported in metrics section

  sitespeedio/browsertime#2198 · Filter by author soulgalore opened on Nov 4, 2024

• Firefox on Moto G5 have 0 visual metrics for https://www.wikipedia.org

  androidfirefox
  sitespeedio/browsertime#2178 · Filter by author soulgalore opened on Sep 11, 2024
  2

• Proper typescript types

  sitespeedio/browsertime#2169 · Filter by author uncaught opened on Aug 20, 2024

• firefox.collectMozLog does not work on Android

  bug
  sitespeedio/browsertime#2127 · Filter by author acreskeyMoz opened on May 15, 2024
  2

• Firefox on Android always runs power usage tests

  sitespeedio/browsertime#2073 · Filter by author soulgalore opened on Feb 1, 2024
  2

• Add types to https://github.com/DefinitelyTyped/DefinitelyTyped

  enhancementhelp wanted
  sitespeedio/browsertime#2063 · Filter by author soulgalore opened on Jan 8, 2024
  2

• Implement support for soft navigations in Chrome(ium)

  enhancementupstream
  sitespeedio/browsertime#2000 · Filter by author soulgalore opened on Oct 17, 2023
  8

• Does browsertime support DoT or DoH?

  awaiting response
  sitespeedio/browsertime#1985 · Filter by author yagikota opened on Sep 2, 2023
  1

• StopWatch and custom metrics associated with wrong URL-or-alias

  bug
  sitespeedio/browsertime#1983 · Filter by author jordan-angold-sophos opened on Aug 18, 2023
  3

• Add GitHub action test for --debug

  enhancement
  sitespeedio/browsertime#1962 · Filter by author soulgalore opened on Jun 20, 2023
  1

• Make sure LCP from Chrome and visual elements use the same element.

  enhancement
  sitespeedio/browsertime#1910 · Filter by author soulgalore opened on Mar 8, 2023

• Windows Firefox videos become corrupted when I use --videoParams.convert false --videoParams.addTimer false

  bug
  sitespeedio/browsertime#1903 · Filter by author gmierz opened on Feb 15, 2023
  2

• Await for the gecko profiler start instead of adding a synthetic delay

  sitespeedio/browsertime#1857 · Filter by author canova opened on Oct 17, 2022
  2

• Browsertime can't connect to Webdriver if the first ip bound to loopback interface is not 127.0.0.1

  bug
  sitespeedio/browsertime#1820 · Filter by author vitkhab opened on Jul 23, 2022

• No Har file when using Safari on MacOS Monterrey

  safariupstream
  sitespeedio/browsertime#1777 · Filter by author marty90 opened on Apr 28, 2022
  4

• browsertime visual metrics don't work with wayland

  enhancementhelp wanted
  sitespeedio/browsertime#1756 · Filter by author julienw opened on Apr 5, 2022
  7

• Geckoprofiler visualProgress timestamp is null

  firefox
  sitespeedio/browsertime#1746 · Filter by author soulgalore opened on Mar 31, 2022
  7