Rambling Thoughts

Buy New Born Baby on eBay

Posted on 04. May, 2009 by Nikhil Sheth.

Came across this text ad from Ebay on Google. Its probably using keyword insertion technique to increase relevancy of the text and get better CTR.

If the keyword insertion is not used smartly than it completely changes the context and message of your ad. This is a perfect example of over-using keyword insertion technique in Google [...]

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How Google Adwords Auctions Work

Posted on 06. Apr, 2009 by Nikhil Sheth.

Google chief economist Hal Varian does the best job ever explaining the Google Adwords Auctions, AdRank, Quality Score and more.
He explains how quality score is affected by:

Clickthrough Rate
Relevance
High Quality Landing Page

He explains Adrank (Adrank = Max Bid * Quality Score) and what people pay for ads.

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