You are using Google Adsense now have more choices in size Google has launched custom ad sizes. If you also use DoubleClick for Publishers (DFP) Small Business, now DFP account also be directly integrated with the Google Publisher Toolbar. Google said: “The Toolbar is a Chrome extension that gives you a clear overview of which ads are serving on your site and why, through an overlay for each ad showing which line item and creative was served. You can get more information by clicking on any overlay. When you sign in to the Toolbar, you’ll see complete information on each ad — regardless of whether AdSense or DFP served the ad.”
Download the Toolbar and start using it with DFP Small Business here.