Google Ads are targeted based, so the more targeted your topics and contents the better the ads are likely to appear. The Google Ads on your page will change in time, depending much on the page content and Google AdWords bidding. Google AdSense Preview Tool is a tool that enables you to preview what ads you will likely see on any specific page. What’s the point of using a Preview Tool, one might ask. It allows you to check type and destination of ads based on any URL or any keyword inserted. Results can be Geo-location targeted too.

To read more about the preview tool, go to Google AdSense Preview Tool page.

Preview Tool on IE

Google provides a preview tool for your browser however it currently only works in IE6.

Installing Google AdSense Preview Tool

1. Download AdSense Preview Tool (Right-Click, save target as)
2. Double click, and click Yes to continue
3. Close all IE and restart
4. Remove .reg file.

To use the preview tool, you must be using IE. On any specific page, right click and choose Google AdSense Preview Tool and start playing with your options. Here’s a full coverage on using Google AdSense Preview Tool.

Preview Tool on Web

Here’s a good online preview tool from Digital Inspiration. It shows you the latest ads for particular keywords or URL with the option to target it geo-location.