HTTP3/QUIC Support - Super-slow on Google sites
I realize HTTP3/QUIC is not officially supported, but Chromium-based browsers have no problems with using it, even with ad-blocking extensions. Mozilla Firefox becomes very slow for Google-based services (Google Search, Gmail, YouTube) and unresponsive when HTTP3 is enabled in about:config. Since QUIC is mostly a Google invention and Google services are the ones that utilize it the most, I wonder if Google deliberately slows down Firefox-based QUIC. The negative effect of HTTP3 in Firefox browsers with Google services is something that I test and experience on multiple networks, devices, device types, and versions of Firefox. I use Wireshark to see if QUIC is the protocol that causes slow downs and it is, but only for Google-based services. There are other non-Google QUIC services and they are actually faster/quicker with Firefox HTTP3 flag enabled. That again makes me wonder if Google deliberately creates an HTTP3/QUIC problem for Firefox...
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Hello,
Lately scammers have been posting (mainly in threads where no reply has been posted yet), claiming to be Mozilla experts and asking users to either call a so-called toll-free phone number or giving them a link to a site, where they are promised to get expert help.
These posts of course are scams.
Hopefully informing you about this will scare them off and you won't see such scam post.
Hi Sergey, I would guess that most support volunteers haven't experimented with HTTP3 yet. You could search in Bugzilla to see whether there is a bug on file already to try to resolve site-specific issues or whether a new one needs to be filed: