By turning auto-tagging on, Google AdWords will automatically add UTM tag information to the url that Google will recognize. This information is not seen in the AdWords ad at all. UTM tagging's purpose is to tell Google what ad was clicks from what keywords, and what ad group and campaign it belonged to.

Your url will continue to display as what you intend (for example bringshare.com) but when a member clicks the url, they will have a bit of extra code at the end that signals Google . The new urls will look something like this: http://bringshare.com/?utm_source=google&utm_medium=cpc&utm... (they're auto-tagged by AdWords)

Typically, companies may turn off auto-tagging if they use another system to track site .  The system they use usually has their own form of UTM tagging that has to be manually added to the URLs to be read by their system. This is once again not seen in the display URL of your ads. Any agency that uses Google will usually keep this auto-tagging enabled though, as it allows Google to track the behavior and actions of website visitors from Paid Search.

If you are using BringShare to track Paid Search, this feature should be enabled. To give a fair comparison, the Paid Search data on the Master Dashboard is being pulled from Google - not Google AdWords. Learn how to enable automatic tagging in Google AdWords here.

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