Firefox itself is quite fast [1]; if you're having issues, there's a good chance that it's due to an add-on [2]. A (historically; I'm unsure if this is still th

Firefox itself is quite fast [1]; if you're having issues, there's a good chance that it's due to an add-on [2]. A (historically; I'm unsure if this is still the case) particularly egregious offender [3] is AdBlock Plus, but µBlock [4] does come highly recommended. [1] http://arewefastyet.com http://arewefastyet.com [2] https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram#w_disabling-memory-consuming-extensions-and-themes https://support.mozilla.org/en-US/kb/firefox-uses-too-much-m... [3] https://blog.mozilla.org/nnethercote/2014/05/14/adblock-pluss-effect-on-firefoxs-memory-usage/ https://blog.mozilla.org/nnethercote/2014/05/14/adblock-plus... [4] https://addons.mozilla.org/en-us/firefox/addon/ublock/ https://addons.mozilla.org/en-us/firefox/addon/ublock/