3 ms·

try a profile reset https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings https://support.mozilla.org/en-US/kb/refresh-firefox-reset-a

• spiderfarmer 9y ago
  I tried. Didn't help.
  • metajack 9y ago
    If the issue is as bad as it looks like in that screenshot, the performance profiler should be able to spot what's happening easily. Take a look at https://perf-html.io/ https://perf-html.io/