Google has announced improved url tracking for your AdWords.
we are introducing Upgraded URLs to provide an easier and faster way to manage and track important information about each click on your AdWords ads*.
Upgraded URLs offer several benefits for advertisers, including:
less time spent managing URL tracking updates
reduced crawl and load times on your website
new ValueTrack parameters that help you gain additional insights about your ads.Google AdWords With Upgraded URLs For Better Tracking [adwords.blogspot.com]
Upgraded URLs let you enter the landing page portion of your URL and your tracking information separately in AdWords. Now you have the option to update your tracking information at your account, campaign or ad group without having to re-set your ad stats.