Using __utm.gif for google analytic to track the open rate

问题

I have found the google analytics have actually the gif for me to add in the email, but i am not sure whether the parameter setting is apporpriate

I follow some suggestion on internet, the only parameter required is

Parameter    Description
utmac        Google Analytics account ID
utmn         Random ID to prevent the browser from caching the returned image
utmp         Relative path of the page to be tracked
utmr         Complete referral URL

and the paratmer suggested on google

Campaign Source (utm_source)

Campaign Medium (utm_medium)    

Campaign Name (utm_campaign)

to create a gif

http://www.google-analytics.com/__utm.gif?utmac=UA-29940706-1&utmn=1214284135&utmp=receipent-email@hotmail.com&utmr=0?utm_source=newsletter&utm_medium=email&utm_campaign=newsletter1

The problem are:

Whether the gif parameter correct?
Is it takes a day before the actual tracking generate on the google analytic website?
The way to do this is change the Campaign Name (utm_campaign) for other campaign, if the user want to track the result, just add the gif into the email, that's all?

Thank you

回答1:

The most important parameter is utmcc that contain Analytics cookies values, and especially the __utma cookie value that contain visitor/session informations :

__utma=<domain_hash>.<session_id>.<first_time>.<last_time>.<current_time>.<session_count>

Note : please avoid to push personals datas like email into Analytics.

EDIT:

Don't forget that the majority of email client DO NOT load image by default. So you will not obtain accurate statistics.

来源：https://stackoverflow.com/questions/10005593/using-utm-gif-for-google-analytic-to-track-the-open-rate

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