You simply need to enter the website (e.g. woome.com) of an advertiser into the search box and press Search. The section “Active ads” shows the different ad copies for this advertiser, the websites (publishers) where those ads are running and their average ad position. You can see the total publishers reached per ad in the “Ad reach” section and see the advertiser’s best performing ad copies by clicking on the section “Best Performers”.

You can see the number of traffic sources for different ad copies.

You can also see the performance of different ad copies.

All the data can be exported into Excel files by clicking the EXPORT button on the upper right corner.

Features:

• Look into performance of Adsense ad copies of your competitors.
• Info on Adsense campaigns of 265,000 advertisers, running on more than 92,000 sites.
• View active running ad copies for an advertiser.
• View advertiser’s top traffic sources.
• Compare best performing ad copies.
• Monitor trends in real time.
• Export data into Excel.
• Free, registration needed to view more detailed stats.

Check out Mixrank @ www.mixrank.com (via ReadWriteWeb)

This add-on supports report viewing based on time periods such as: today, yesterday, last 7 days etc. You can either view the data in a single line or as a scrolling notifier. You can also set different update frequencies for content, feeds, search, mobile and domains.

By default, a left click on the add-on will refresh the statistics, a right click on the other hand will open your account. Clicking the logo will bring up the add-on settings. These settings can be customized accordingly from the add-on settings window.

There is also a WordPress plugin that allows you to easily insert and manage Adsense ads on your blog without modifying the template. This plugin also features the ability to exclude ads wherever you like i.e. based on individual posts, recently published posts etc.

Features:

• Monitor your Google AdSense earnings right in your browser status bar.
• View the AdSense data in a single line or as a scrolling notifier.
• Option to choose the update frequency of AdSense statistics for content, feeds, search, mobile and domains.
• An associated WordPress plugin to help you easily manage AdSense ads on your blog.

Get AdSense Monitor @ addons.mozilla.org/en-US/firefox/addon/12735 (by Srikanth from Techonaut)