How can I find out what URL the user came from?

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Nwton2018-08-28 18:59:32

Node.js

Nwton, 2018-08-28 18:59:32

Actually, the question is in the title. How can I find out what URL the user came from?

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2 answer(s)

D

dollar, 2018-08-28
@Nwton

HTTP Referer header .
https://en.wikipedia.org/wiki/HTTP_referer

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Viktor Taran, 2018-08-29
@shambler81

If you are going to use this for search engine optimization or setting up an advertising company, then UTM tags.