This isn't "just" initiating a request to a random third party server.
Chrome sends a unique ID when accessing (only!) google servers, in the form of X-client-data HTTP header, uniquely identifying the user, and the site he is browsing (via referrer). It's a goldmine.
Chrome sends a unique ID when accessing (only!) google servers, in the form of X-client-data HTTP header, uniquely identifying the user, and the site he is browsing (via referrer). It's a goldmine.
X-client-data: CIS2yQEIprbJAZjBtskBCKmdygEI8J/KAQjLrsoBCL2wygEI97TKAQiVtcoBCO21ygEYq6TKARjWscoB