When a post is shared to Facebook, users clicking the shared post are still within Facebook’s environment. Facebook uses its own internal browser for viewing external links, which means the users aren't navigating to the actual URL directly, but rather interacting with it within Facebook's "browser" interface.

If the user tries to share that same post to LinkedIn via Facebook's internal browser, it may not behave as expected. The Facebook internal browser might not properly authenticate LinkedIn login credentials (username and password), as it often does not carry over session data or cookies that were already set in the main browser, creating issues like being unable to log in or recognize the LinkedIn account.

Is it possible to always have links shared via external browsers i.e. not within other app internal browsers?