To stop Facebook from gathering data when you open links, you should disable "Link History" and configure links to open in an external browser. This prevents the platform from tracking your browsing habits across different websites via its internal browser 1. Turn Off Link History
When you open links inside Facebook’s built-in browser, Facebook can see every website you visit, what you click, and how long you stay. This data is used to build your ad profile. By forcing links to open in Chrome or Safari, you remove Facebook’s ability to track your external browsing activity (though your browser may have its own trackers).
You might encounter a prompt stating that Facebook wants to "use your data" or permissions to open the link. Alternatively, users often search for this phrase because they want to remove the data tracking mechanisms (like App Links) that Facebook uses to follow you across the web.
Use a or shortcut to intercept links: