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Thanks for the link and the advice Brad. Don't take this the wrong way as I like what you have done with the site. The content on the bottom of the page is well optimised but has been written for the benefit of google and not users. if you have guide for selecting the right baby food maker Would you be putting that at the bottom of the page? Or maybe that should be somewhere else on the site? Just trying to the best solution.

Thanks Mat, you have actually given me a great idea for an article.

Brad out of interest what do you think about using expandable divs so that users can see more content on the cat page if interest ? Not sure if this would be seen as black hat or not.

Quality score is determined by click through rate and relevance of the advert. The landing page quality is a factor but not the biggest factor in determining quality score.

Split your keywords into more targeted groups, make sure the ad is relevant to the keywords in that group and increase spend to get your quality score up.

Somewhere on youtube there is a guy from Google explaining it.