What is CTR

CTR,or Click Through Rate is a very important number for anyone advertising with pay per click OR earning from pay per click advertising.
Simply put,it is the number of clicks you receive on average for every 100 visitors to your site.

If you have 500 visitors to your site and you had 10 clicks on your ads you have a CTR of 5% which is a very respectable and believable for a top quality site that receives a lot of traffic from Search Engines.

It is not a believable figure for a free hosted blog that has copy/pasted articles and no page ranking.

You must have impressions to justify the clicks you receive,multiple ad accounts help a lot,-but if you do not have enough natural traffic to cover then you need to find other ways.

Autosurfs work but if you do not wish to use them then consider some of the better safe lists-while perhaps not the highest converting traffic at least the impressions are allowed and the better ones allow to advertise one thing and get impressions on another page.I have tried about 20 in my time on line,and have never recommended any before now-I will never promote crap to you.The one I really like and am impressed by is GotSafelist

One of the best way,and most overlooked way,of maintaining a low enough CTR is by the use of multiple ad sources.This also as the benefit of earning you much more money,as is explained on these excellent articles Contextual Advertising and Contextual Plus .

To sum them up-anyone using only one Ad Source,such as AdSense,is throwing away money,and if they have return readers on a regular basis,you are putting your account at great risk,as the paranoid assholes at AdSense love to use that as an excuse to ban members-but they always wait until they almost have to pay the client,at the ridiculously high $100.00 mark.