Cloudflare Browser Isolation is a new zero trust service to make everyday web browsing safer and faster for all businesses. It runs the original web page in the cloud and uses patented technology to draw an exact replica of the page on the user’s device on the cloud. Because it is built on Cloud Flares global network, the remote browser experience is fast, secure, and feels like a regular browser to employees ‘ no matter where they are. It can be deployed by anyone in a few clicks and automatically protects against the majority of threats people face online.
Source: https://www.helpnetsecurity.com/2021/03/23/cloudflare-browser-isolation/