The CTR on my image ads has constantly been at about 8-9% but when I changed the type of ad block to text only it decreased to 2-3% BUT same eCPM!! So are image ads cheaper overall and a higher CTR is normal?
yes of course because many users click images and not realy wanted to go to the site but text they most propably want
it's all depends on mny thing such as your content, layout, design, ads placement and so on. sometime something that works with other will not wrok to you. do the experiment will be the best way. glad that you find which one is good your site already.
Image ads definately have higher CTR, hence the reason why they usually get you fewer bucks p/click. If they earned the same as contextual ads, then advertisers' budgets would indeed depleet very fast!
i think image ads have less ctr , but if they are cpm they are better than text ads you are lucky to have that
i would say the CTR would depend on the site. i tried image ads on my site and never did well. text ads get lot better CTR for me.
The image ads that innundated my site were the type: Do you like *celebrity* ? YES NO With two big buttons so this site being directed to 10-15 year olds it looks like a lot have clicked on it. But I took it down because I was afraid one might click on it again when they re-visit the site .
I think it depends on Niche. For some sites, text ads will have higher CTR compared to image ads. For example, my site has a low CTR if I use image ads.