There used to be hundreds of different search engines, all giving different results with different algorithms. Now? Everything just front ends the same one. There are a couple out there, like Bing, but for the most part even they follow the same rules.
TBH, I never bothered to check until recently. I, just, always assumed they were open source or something. Not the best thing in the world to know. No doubt in my mind that google tracks those things.
There used to be hundreds of different search engines, all giving different results with different algorithms. Now? Everything just front ends the same one. There are a couple out there, like Bing, but for the most part even they follow the same rules.
Captcha is, also, owned by Google. They're everywhere.
TBH, I never bothered to check until recently. I, just, always assumed they were open source or something. Not the best thing in the world to know. No doubt in my mind that google tracks those things.