Get started

Before you enable HTTP/3 on a Cloudflare domain, ensure you are using a supported client from the list below.

• Google Chrome Open external link - Instructions
• Microsoft Edge Open external link - Instructions
• Mozilla Firefox Open external link - Instructions
• cURL Open external link + quiche - Instructions
• Cloudflare quiche-client Open external link - Instructions

​​ Enable HTTP/3 on a Cloudflare domain

HTTP/3 can easily be turned on for a domain in the dashboard.

1. Log in to your Cloudflare dashboard Open external link .
2. Click Network.
3. Enable the HTTP/3 (with QUIC) toggle.

Enabling the toggle allows compatible clients to connect to it using HTTP/3 but does not affect existing clients using HTTP/1.1 or HTTP/2.