GTM parameter in google analytics collect URL?

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BadriNarayanan Srinivasan

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Nov 20, 2014, 6:23:08 AM11/20/14
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Hey Everyone -

I was exploring Google Analytics collect url in the network tab of developer console and I noticed two things in the URL

1. google-analytics.com/r/collect? - Does anyone know what '/r/' means here?
2. I also noticed google-analytics.com/r/collect?.....&gtm=GTM-12345  - Does anyone know why gtm supplied as a parameter in the collect URL?

Thanks for your help!
Badri

cbarring...@gmail.com

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Mar 25, 2015, 7:33:01 AM3/25/15
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Did you find an answer for this? I think this is cauing issues on my site

BadriNarayanan Srinivasan

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Mar 26, 2015, 6:16:08 AM3/26/15
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Nope not yet, but I’ve heard that few containers goes through ‘simulator / experiment’ environment randomly which is what /r/ in this case. But there is no information regarding how it affects the numbers in the site.

Cheers,
Badri


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Samy

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Mar 26, 2015, 4:55:29 PM3/26/15
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If it helps:

I notice that there's an extra variable(utmredir=1) in the call also along with the "/r/".
This in my case takes place when it's a new user, visitor cookies are written.
So, I delete my cookies and visit the site, only the first call has "/r/"
 with utmredir=1

Thanks
Sam

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Avi Mehta

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Mar 26, 2015, 5:10:54 PM3/26/15
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/r, _r and utmredir are parameters/artifacts of http://analytics.blogspot.com/2015/01/start-remarketing-with-google-analytics.html. No functionality should change because of these. If you are seeing something wrong, Please email me with the page link and your property number. 

Note that if you use Instant Activation, /r/collect url will redirect you to doubleclick. If you have not opted in, there should be no redirects.

gtm parameter is sent when you are using gtm to setup GA. there should be no functional changes because of this. If you see something wrong, let me know.

BadriNarayanan Srinivasan

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Mar 30, 2015, 8:42:14 AM3/30/15
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Hi Avi -

Thanks for the information.

However, couple of my clients have GTM but I don’t see UTM parameter in collect post URL similarly I’ve enabled doubleclick instant activation through UI as well but I don’t see /r in collect URL.

I’ve tested it for morethan 13 websites but the behaviour is really random. 

Can you please provide some more context?

Thanks,
Badri


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T: +44 20 3640 5066 » M: 07731 343 096  » BadriNarayan...@iprospect.com

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Avi Mehta

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Mar 30, 2015, 3:26:09 PM3/30/15
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It is a little complicated. More details below:

Instant Activation without GTM: One hit every few mins is sent to /r/collect (and then a redirect to doubleclick). We write a short-lived constant value cookie to track if we sent a hit to that url in last few mins. Only hits that are sent to /r/collect get redirected.

Instant Activation with display features toggle switched off in GTM: Same a above.

No Instant Activation with display features toggle switched on in GTM: No hits are sent to /r/collect. Instead, the gtm code directly sends separate hits to ga.com and to doubleclick.net

No Instant Activation with legacy display features plugin: Same as the third case above.
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