Is it possible to detect if my visitors are coming to my website via a Google Adwords Ad?
It would like to change the telephone number for those users only, that way I can measure the success of my adwords campaign with the number of calls.
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migrated from stackoverflow.com Sep 30 '11 at 14:49
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You can use the special utm_ query string parameters mentioned here: http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=156114 Then switch your phone number out based on (for example) utm_campaign If you use the auto tagging feature (on by default) the parameter to look for is gclid: http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=55596 |
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On the server you need to grab the value of "HTTP_REFERER" Also, Google Analytics should be able to do this for you, out of the box. |
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HTTP_REFERER, or better yet, make the link in the Adwords ad have a parameter that you catch on the server. – Jonathan M Sep 29 '11 at 18:33