I asked a question on Webmasters, Signing into Google account refreshes already open webpage:

I have noticed that signing into my Gmail account, automatically causes some webpage to refresh. For example, signing into Gmail while keeping http://poetsandquants.com/2014/01/10/the-spaceship-enterprise-comes-to-yale/ open in another tab causes the page to refresh once signin/out is done.

  • How is this done? * I am guessing this is some sort of tracking mechanism. Is this a known "feature" and legal?

The feedback I got was that it wasn't suited for that site. Is there a place where I can ask it? Two places I have in mind are Stack Overflow and Information Security?
What can I do?

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