Adbrite CTR Ranking Algorithm
Adbrite has never been recognized as a major PPC player or not even a PPC advertising platform. It is rather a CPC based text ad advertising platform. However, Adbrite is the latest online ad program that takes CTR into account when ranking its ads.
Adbrite’s blog explains:
AdBrite’s CPC auction used to work such that an ad with the highest bid won. Now, the system takes into account each bid, as well as each ad’s clickthrough ratio. In other words, an ad that has a low bid – but many clicks – could be shown instead of an ad with a high bid but few clicks.
Showing ads with a higher clickthrough ratio means that we’re showing more relevant ads – and everyone likes ads that are more relevant. A side-benefit is that CPC prices may drop while targeted click volume increases.
If you’re an advertiser with campaigns running right now with AdBrite, this upgrade may (or may not) affect your campaigns. If your CPC and/or click volumes change, this is why.

This is certainly the new age for online placement ad industry as previously MSN Adcenter, Ask.com Sponsored listings, and China’s Baidu PPC have all implemented multiple factors in determining their ad rankings besides CPC. Yahoo! Search Marketing is expected to follow this trend by Q4 of 2006.




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