What's your computer system and Firefox version? Do you have specific issues? '''https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently''' '''https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster''' '''https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix''' '''https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding''' '''https://support.mozilla.org/kb/Firefox+is+already+running+but+is+not+responding'''

''More Pokemon [[#question-1148139|said]]'' <blockquote> How to speed up my Mozilla browser </blockquote> Hello, keep firefox updated and add-ons to minimum ! (if you don't have add-ons it is better) :-) thanks