Browser name and version reported by this tab, and why client hints and the user-agent string can disagree.
Client hints can name the browser and a full version. The user-agent string is older and, in Chrome, often freezes the minor version. When both exist, this page prefers the hint.
The name and version are read in this tab. They are not uploaded.
Client hints can carry a full version. Chrome's user-agent string often freezes the minor version.
Every request already sends a user-agent. This page does not send an extra copy.
It is a coarse label shared by many people. This page does not combine signals into an identifier.
From the mobile client hint when the browser provides one. Otherwise the page uses the platform in the string.
This page names the browser and version. The user-agent page shows the raw string.