I am not sure if this is the appropriate forum for this topic but is technical and nothing to do with programming.
At the end of some URL that is linked from other sites, some parameters are added. Like:
What is this called? I am familiar with parameters that actually effect output of the page like language or userid being passed from the previous page. These things do not in anyway effect the output. Is it possible to sanitize these extra stuffs? What would be the search terms I can use? My search for "manipulate url parameters in browser" has been a dead end.