Ask HN: How does Google Analytics, a client-side script, get referring URLs? | Hacker News

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		Ask HN: How does Google Analytics, a client-side script, get referring URLs?
		2 points by mjswensen on July 6, 2020 \| hide \| past \| favorite \| 2 comments
		Shower thought: given that Google Analytics is installed by dropping a JavaScript snippet onto the page, how does Google get the referring page when visitors land on the page via link or search result, etc.?

Hackbraten on July 6, 2020 [–]

The script should be able to read `Document.referrer` and post the result to wherever it wants.

mjswensen on July 6, 2020 | [–]

There it is. Thank you!

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