...Adsover a period of time: rotate your ad graphics maybe once a week.2. Regular readers tend to be ad blind Regular readers willclick on ad spots but the CTR is much lower than for newreaders, particularly on Adsense ads. Ive had lots of differenttraffic in the last four weeks on a variety of differentsubjects and its the posts bringing in completely new trafficthat have the high CTR's, and I'm talking at times four to fivetimes higher rates on the same ad spot as per a post t...

...hat wouldattract a regular reader3. Old posts = revenue It really, really surprised me how manydays I'd look at the stats and see clickthrus from Adsense adsthat are so old I don't even remember writing them! Andsometimes the CTR is higher on these pages as well. Perhaps theAdsense ad was more relevant that the 2 year old content? whoknows!4. Niche topics deliver better ad results Statistically itsniche topics that do best in terms of CTR, perhaps in partbecause they bring in new traffic. Topics that relate tospecific occupations, geographic areas or types of people seemto work better than general topics relevant to your broaderreadership collectively.5. Top banners aren't very good I've been playing with the mytop banner space, and it does'nt work overly well, but it canwith rotation. If you're going to do a banner see if you canrotate it with a number of ads, alternatively if you've signedthe one advertiser see if they've got a variety of ads for youto rotate, your CTR rates will be better if you do.6. Text Links work Some people might think that text links areall about Google juice, and although they might be partiallyright, they'd also be partially wrong, because I was amazed tosee some text links in the nav bars doing reasonable CTR rates.Sure, not amazingly high, but when people attack O'Reilly andothers on the basis of relevance I'd argue that if one personclicks on it, it must be relevant to them. In the case on mytracking, it was a lot more than one person.