https://connect.mozilla.org/t5/discussions/terrible-firefox-speed/m-p/142979#M58520 <P>All of a sudden none of my Youtube News showing, just get a blank screen.&nbsp; Facebook has past month or so become so slow had to move to AVG Browser!&nbsp; Please fix.</P> Mon, 12 Oct 2026 14:42:37 GMT Rohn123123 2026-10-12T14:42:37Z https://connect.mozilla.org/t5/discussions/terrible-firefox-speed/m-p/142979#M58520 <P>All of a sudden none of my Youtube News showing, just get a blank screen.&nbsp; Facebook has past month or so become so slow had to move to AVG Browser!&nbsp; Please fix.</P> Mon, 12 Oct 2026 14:42:37 GMT https://connect.mozilla.org/t5/discussions/terrible-firefox-speed/m-p/142979#M58520 Rohn123123 2026-10-12T14:42:37Z https://connect.mozilla.org/t5/discussions/terrible-firefox-speed/m-p/142987#M58527 <P><a href="https://connect.mozilla.org/t5/user/viewprofilepage/user-id/141801">@Rohn123123</a>&nbsp;: try going to Menu -&gt; Help and Report -&gt; Troubleshoot Mode... and test YouTube and Facebook there.</P><P>If they work correctly, an extension (Menu -&gt; Extensions and Themes) you use in the regular mode, such as AdBlock, Adblocker Ultimate, AdGuard, Dark Reader, Ghostery, Noscript, uBlock Origin, is likely the cause.</P><P>If you still have an issue even in Troubleshoot Mode... , it's likely the anti-virus or anti-malware product you use on your computer that is intercepting website traffic between Firefox and your router.</P> Mon, 12 Oct 2026 15:19:36 GMT https://connect.mozilla.org/t5/discussions/terrible-firefox-speed/m-p/142987#M58527 dftf 2026-10-12T15:19:36Z