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Is Mozilla Firefox not loading pages for you? Here’s the fix

We’ve got a workaround if your browser won’t load pages.

firefox logo
Image: KnowTechie

Large numbers of users of Mozilla’s Firefox browser had trouble loading web pages this morning. The bug completely stopped any sites from loading, with users stuck in an infinite loading loop on tabs.

The issue appears to be related to HTTP3, the newest version of HTTP that is more for future use as most websites don’t require it yet.

At this time, Mozilla is saying the problem has been resolved. You should be able to restart your browser, and things will load again. If not, we’ve got a workaround for you to try.

Here’s how to get your Mozilla Firefox loading pages again

Open Firefox
Type about:config into the address bar and hit Enter
Click on Accept the Risk and Continue
Enter network.http.http3.enabled into the search barfirefox about config page
Click the icon at the right to change the setting to false. It looks a little bit like two curved arrows.
Restart Firefox

That said, it appears that Mozilla Firefox has fixed the issue on their end. The tweet announcing things is short on information, but we found some comments in the Bugzilla tracker that Mozilla uses to track its software issues.

The working theory is that one of the “cloud provider[s] or load balancer[s]… …trigger[ed] an existing HTTP3 bug.” That could have been Cloudflare, or maybe Google Cloud.

We’ll keep you updated when Mozilla says anything further, like when HTTP3 will be working again.

Have any thoughts on this? Let us know down below in the comments or carry the discussion over to our Twitter or Facebook.

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Maker, meme-r, and unabashed geek with nearly half a decade of blogging experience at KnowTechie, SlashGear and XDA Developers. If it runs on electricity (or even if it doesn't), Joe probably has one around his office somewhere, with particular focus in gadgetry and handheld gaming. Shoot him an email at joe@knowtechie.com.

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