this post was submitted on 27 Nov 2023
1273 points (99.4% liked)
Firefox
17849 readers
71 users here now
A place to discuss the news and latest developments on the open-source browser Firefox
founded 4 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
How does it know what part of the link is the site tracking?
Looks like it has a list of global and site specific parameters that it is safe to remove.
Generally, most are variables prefixed with
utm_
They likely built an index from most of the Analytics services also.
I think it's a combination of things, a basic approach of removing the query string (after the question mark) with exceptions for different sites that might need some of the query string.