The main page contains embedded YouTube videos that autoload and send tracking info to Google, associated with your Google account. That's a tracking cookie.
You mean on www.ycombinator.com? I see 3 cookies one is XSRF. The other two could be for analytics.
About the youtube thing. Does anyone here know? If you have an iframe and that iframe sets analytics cookies on it's own domain, do you have to have cookie banner?
