The Google AdSense Preview Tool is a free tool from Google that enables webmasters preview what ads may appear on their website.
The preview tool is useful for previewing ads in different geographical locations and ads clicked are in a test state so there is no problems with accidentally clicking on an ad and potentially follows foul of google usage conditions.
The Google AdSense Preview Tool is available @ https://adwords.google.com/select/AdTargetingPreviewTool
Once the webpage has loaded you must enter the keyword your webpage will target and then select a google domain, language and preview location. The tool will generate a preview of a likely ad that will be generated for the criteria submitted.
The preview tool is a valuable tool for advertisers and should always be used to check ad positioning for keywords you are bidding on.
