[wp-meta] [Making WordPress.org] #7965: WordPress.org fails to load sometimes when Http3/QUIC protocol is enabled in the browser

Making WordPress.org noreply at wordpress.org
Mon Apr 28 00:57:33 UTC 2025


#7965: WordPress.org fails to load sometimes when Http3/QUIC protocol is enabled
in the browser
--------------------------------+--------------------------------
 Reporter:  othernoel           |       Owner:  (none)
     Type:  defect (bug)        |      Status:  closed
 Priority:  normal              |   Milestone:
Component:  WordPress.org Site  |  Resolution:  reported-upstream
 Keywords:                      |
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Changes (by dd32):

 * status:  new => closed
 * resolution:   => reported-upstream


Comment:

 I've escalated this to a network engineer to take a look at.

 From the support thread above:

 >>https://quic.nginx.org/quic.html
 >>You can also disgnose if your browser correctly handles QUIC and there
 are no obstacles like UDP filtering on the route from your ISP
 >The first time it showed 100 green (QUIC) blocks, and 900 red (failed)
 blocks, and the rest became HTTP. I re-ran the test and it was all HTTP.

 That suggests that your internet connection is indeed having problems with
 QUIC, the common denominator between WordPress.org, WordPress.com/Tumblr,
 and the nginx.org site is that we're all running `nginx`.
 It seems '''likely to me''' that the issue is something related to your
 ISP / network path, and nginx's implementation of QUIC, not specifically
 something in the configuration on our side.

 Notably, WordPress.org & Automattic don't share physical infrastructure,
 although we have very similar nginx configurations, which is why I'm
 suggesting it's related to nginx itself.

 I would suggest that this is likely something that might need to be
 resolved in nginx itself, or by your ISP..

 I've still mentioned it to a network engineer at Automattic who had
 recently looked into some nginx+quic things, so if they have any feedback
 or want extra information I'll pass the details along.


 I'm closing this ticket, not because an issue is resolved, but because
 there's nothing the Meta team can resolve here.

-- 
Ticket URL: <https://meta.trac.wordpress.org/ticket/7965#comment:2>
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