Cloudflare Officially Switching to HTTP/3


HTTP has Five versions — HTTP/0.9, HTTP/1.0, HTTP/1.1, HTTP/2.0 and HTTP/1.1 . Today the version in common use is HTTP/2.0 and the future will be HTTP/3.0.

HTTP/3 has been in testing mode for some time now but now developers have decided to take it online officially. 

Cloudflare which offers CDN, DNS, DDoS protection and security has now officially decided to switch protocols of all the websites to http/3 version. It is not going to effect your site any way so do not worry. 

Here is an official email from Cloudflare announcing about the use of HTTP/3


Hello there,

We are excited to let you know that we will enable support for HTTP/3 in the upcoming month on one or more of your websites that use Cloudflare’s free plan. HTTP/3 is the latest version of HTTP, the protocol that your browser uses to talk to webservers (and Cloudflare!) Cloudflare is committed to pushing this new protocol forward, in our mission to help build a better Internet.

There is no action required on your end.

What will change on my website?
After HTTP/3 support is enabled, end users will be able to visit your website using the new protocol. This will not affect how your website is rendered or what your users see. As browsers start enabling support for HTTP/3, more traffic from users to Cloudflare will start flowing over this new protocol. Traffic to your origins will not be affected and you do not need to support HTTP/3 on your origin. We will only enable HTTP/3 on websites using our free plan. Websites on the Pro, Business or Enterprise plans will not be included in this change.

Why are you rolling out HTTP/3?
HTTP/3 is the newest version of the HTTP protocol. It enables faster, more reliable, and more secure connections to web endpoints like websites and APIs. In particular, data transfer of multiple files at the same time (which your browser does whenever it’s loading a website) on lossy connections and connection startup are improved.

When will this happen?
We will start enabling HTTP/3 on websites using the free Cloudflare plan over the next few weeks.

Will this break my site?
No. HTTP/3 has been available for almost a year and has been very thoroughly tested by thousands of our customers. We do not foresee any issues arising from enabling HTTP/3.

Any questions about HTTP/3 can be posted on the Cloudflare Community under the #http3 topic. Cloudflare MVPs and Team members will be watching this topic and respond to your questions accordingly.

What if I don’t want HTTP/3 enabled on my website?
HTTP/3 should not impact the performance of your website. If, for whatever reason, you do want to disable it after it is automatically enabled, you may go to the Network tab on the Cloudflare dashboard and toggle it off.

More information can be found on our developers documentation.

Cloudflare Support 



Pak King News: Cloudflare Officially Switching to HTTP/3
Cloudflare Officially Switching to HTTP/3
Cloudflare Officially Switching to HTTP/3
Pak King News
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