Google is going hard on AdWords clients with less-than-quality landing pages for their websites, in an attempt to clean up those made-for-AdSense pages found all over the web.

Read more at Inside Adwords

As you may recall, we began incorporating advertiser landing page quality into the Quality Score back in December 2005. Following that change, advertisers who are not providing useful landing pages to our users will have lower Quality Scores that in turn result in higher minimum bid requirements for their keywords. We realize that some minimum bids may be too high to be cost-effective — indeed, these high minimum bids are our way of motivating advertisers to either improve their landing pages or to simply stop using AdWords for those pages, while still giving some control over which keywords to advertise on. Although it is counter-intuitive to some who hear it, we’d rather show one less ad than to show an ad which leads to a poor user experience — since long-term user trust in AdWords is of overarching importance.

From time-to-time, we improve our algorithms for evaluating landing page quality (often based on feedback from our end-users), and next week we’re launching another such improvement. Thus, over the coming days a small number of advertisers who are providing a low quality user experience on their landing pages will see increases in their minimum bids. It is important to note, however, that the vast majority of advertisers will not be affected at all by this change, as they link to quality landing pages.

If you do see an increase in minimum bids and you feel that your landing page is providing a great user experience, please contact AdWords support and we’ll take a look. Also, for useful guidelines which will help to define what users look for in a high quality site, we hope you’ll take a look at the landing page and site quality guidelines, from the AdWords Help Center.