Forum Moderators: martinibuster
Although I haven't experienced the same thing myself, you may find that it has something to do with advertisers budgets running out at the end of the month. Many publishers have commented on reduced revenues toward the end of the month, so your PSA's may be just another manifestation of that, especially if you haven't modified the pages in any way.
2odd...
6. Place AdSense ads on text-rich pages.Add AdSense ad code to pages on your site that predominantly contain text. Only text is used to determine a page's content. Therefore, although Google's targeting technology is optimized to target ads to pages with frequently updated content, image-heavy pages or pages with dynamic media such as Macromedia Flash may not return relevant ads.
It shouldn't matter that the content was all over the place. In fact, it would seem that should encourage a wide variety of ads.
With all of the postings lately about targeting, there's definitely something going on that we don't know about.
One click on a five dollar ad is worth a lot more than two clicks on a dollar ad. So maybe Google is targeting ads within more general categories for top payout.
How well this might work for everyone remains to be seen, but it seems to me that once someone clicks on an ad, they've already decided they're interested so they arrive at the advertisers site as a targeted visitor worth the money the advertiser is paying.