Here’s a recap of this weeks main pay per click news:

Google AdWords

• Adamap notices the Google keyword tool showing number of previous month’s searches.
• Search Engine Roundtable confirms that Google AdWords Qualified Professional certifications are valid for two years.
• The Inside AdWords blog discusses how the MyChange History Tool can be a handy tool for troubleshooting account behavior.
• Andrew Goodman explains why Google Website Optimizer is a win-win situation for improving AdWords performance.
• Google update their AdWords promotional credits policy.
• I posted an AdWords CTR test to compare the performance between a .com and .co.uk display URL.

Microsoft adCenter

• Search Engine Roundtable reports about Microsoft refunding adCenter advertisers too much!
• The Microsoft adCenter blog release a 2-part query string usage post about what exactly is a query string? and the new query strings offered in adCenter.

Yahoo! Search Marketing

• The YSM Blog posted instructions on how to find your account ID.
• SEW post some more early Yahoo Panama results.

General Pay Per Click News

• eWhisper makes an interesting point about how PPC has developed to become more focused on-page content and relevancy, while SEO has evolved with marketing becoming a far more important factor.
• And Joe Whyte posts 18 PPC secrets to help you improve your efforts and maximize your ROI.

Here’s last weeks PPC news in case you missed it!

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Kevin Gibbons is Founder/Director of Strategy at SEOptimise. Kevin is well known within the search industry as a blogger for sites such as Search Engine Land, Econsultancy and Search Engine Watch. Kevin is also a frequent SEO speaker at a number of conferences including Search Marketing Expo (SMX), Search Engine Strategies (SES), a4uexpo, SAScon and BrightonSEO.