Web Development·12,106 discussions

How can a 3rd party provider drop cookies as the 1st party domain?

Tags: Web development

I am seeing some trackers dropping cookies as if they were coming from that site. E.g. if I go to website (dot) com, I can see Facebook and Google Ads cookies where the domain showed in the chrome dev tools application > cookies > domains is website (dot) com instead of FB or Google.

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In reply to How can a 3rd party provider drop cookies as the 1st party domain?

Can come from multiple sites so a cookie can be from that other site. You wrote about Google ads and well, they use a variety of web sites so cookies would be from those other sites. Not much of a mystery.

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