That Google does fingerprinting across searches to cluster them and pinpoint them to a person? Are you sure you are not confusing this with cookies? Cookies are under my control. I can decide to not store them or just delete them.
> Because the source code of that feature is open and you can look into it I guess
You can't know what source code that is running on the server which you send your queries to.
> You can't know what source code that is running on the server which you send your queries to.
Based on my (admittedly cursory) reading of the ideas behind it, the idea of the IETF standard they implemented is that one does not have to trust the server.
https://www.malwarebytes.com/blog/news/2025/02/google-now-al...
i quote: “With all these pieces of information, it’s possible to create a unique fingerprint by which websites can recognize you, even if you clear your cookies. They will even be able to make an informed guess if you visit the same site with a different browser.”
i urge you to consider how google makes money. it’s not at all surprising really.
The browser APIs spit out so much info about the host system on demand and that doesnt even consider the other tricks they use.