Yes, you can easily block the tracking crap being downloaded to your HD and added to your browser, almost everyone do it, but you can't blck the logging of websites which use the Google (mostly) and other APIs. They store your PC and browser data in their server, which you can't access. The only possibility is using a VPN and other which spoof or fake your data, so that is don't have a real value. To use a mail which permits to mask your real mail direction, because your mail is an unique identifier which can be tracked all over the web. Using Image share which delete the EXIF data (vgy.me eg., Read always PP to see with which companies are shared your data, and some protections more to patch the worst privacy holes, but forget 100% privacy in the moment you goes online, it's only a myth to calm the people which intent to stay private with their shitty PC against the tech of the big ones.