Why do some of Adsense Click not recorded?

Why do some of Adsense Clicks not recorded? If any body can explain about this problem.

 

I wrote to the AdSense support a few years ago about this. The person told me something like: "Some clicks are recorded as invalid clicks. If an invalid click occurs, no money, no money is taken from the advertiser to protect it." That is the reason, why you might see only 1 click in your report, but no revenues.

 

Either they are invalid clicks, or they are clicks from your cache page, and you have included only your site in the "allowed sites".

https://www.google.com/adsense/publisher-whitelist-view

Check here what sites in the past one week has shown your ads.
https://www.google.com/adsense/publisher-whitelist-view#unauthorized_sites_report

 

Maybe those unrecorded clicks are "fraud" clicks.

 

Most likely someone clicked 5 times in a row.

 

May be the clicks are invalid , invalied clicks not recorded.

 

and how do you know there are clicks not recorded? you clicked on your ads or you asked your friends to?

 

if google thinks a click has no value then it won't pay you for that click.

 

Yeah -- what mobius said. If you know for a fact how many clicks you got, you probably clicked your own.