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There are some sites listed in this blog post. New – HTTP/3 Support for Amazon CloudFront
I checked some of the listed, but not find http/3 on them. :-(
Not working as far as I could test. This should be addressed as soon as possible as http/3 has great advantages.
Hi User,
You may try visiting https://www.snap.com/en-US. They are existing AWS Customer that have already enabled HTTP/3 on their Cloudfront Distribution. Here is the supporting article that you may find helpful, it includes how to validate if it is using HTTP/3 protocol on the browser. https://aws.amazon.com/blogs/aws/new-http-3-support-for-amazon-cloudfront/
Below is a screenshot of Mozilla Firefox browser's developer console. It shows the protocol used to fetch the data:
I don't see www.snap.com http/3 enabled :-(
https://http3check.net/?host=https%3A%2F%2Fwww.snap.com%2Fen-US
curl --http3 -i https://www.snap.com/en-US -v % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0* Trying 142.251.214.147:443...
- Connect socket 5 over QUIC to 142.251.214.147:443
- Sent QUIC client Initial, ALPN: h3-29,h3-28,h3-27
- quiche: recv() unexpectedly returned -1 (errno: 111, socket 5)
- connect to 142.251.214.147 port 443 failed: Connection refused
- Trying 2607:f8b0:4005:80e::2013:443...
- Immediate connect fail for 2607:f8b0:4005:80e::2013: Cannot assign requested address
- Failed to connect to www.snap.com port 443: Connection refused 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
- Closing connection 0 curl: (7) quiche: recv() unexpectedly returned -1 (errno: 111, socket 5)
Hi User,
This is how i verified that HTTP/3 Protocol is used. I am using developer console on Mozilla Firefox. I will edit my answer to show the screenshot i have as image is not supported in the comment section.
but, the url resalted by you is from google. that url is not form snap.com. I don't see a http/3 from cloudfront.
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I have tested with Chrome and https://geekflare.com/tools/http3-test , and could NOT get http/3 to work on my Cloudfront deployment or on the example websites mentioned in the article from AWS. Perhaps something has changed meanwhile?