How AdSense matches ads to web pages

Google is doing a good job of finding ads that are highly relevant to the web pages.

Google says:

"We go beyond simple keyword matching to understand the context and content of web pages. Based on an algorithm that includes such factors as keyword analysis, word frequency, font size, and the overall link structure of the web, we know what a page is about, and can precisely match Google ads to each page."

Occasionally Google gets it wrong. It places great importance on the file name. So be sure to use important keywords in the file name of each page, such as "contextual-advertising.html" for an article on contextual advertising.

Also, watch out for your anchor text - the words in the links on your page. We've found that sometimes if irrelevant ads are being served, you can fix the problem by rewriting anchor text.

You can check the relevance of the ads by looking at the text ads near the top-right of this page.

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