Yeah. Almost every site uses it now. Check whether you can be tracked here - https://hinternesch.com/page1 https://hinternesch.com/page1 Visit the site. Then

Yeah. Almost every site uses it now. Check whether you can be tracked here - https://hinternesch.com/page1 https://hinternesch.com/page1 Visit the site. Then clear cookies and history (don't touch cache) . Then return and you will get the same ID, provided you are not using any extension that removes the E-Tags. I learnt about the possibilities of Etags from here - https://privacy-formula.com/reader/no-cookies-no-problem-using-etags-for-user-tracking/ https://privacy-formula.com/reader/no-cookies-no-problem-usi...