Adsense page views DIVERGENT with analytics page views

[jost]

Has anyone ever seen this?

My google analytics shows record high page views and visitors... going straight up in the 3 million range a month.

However, my Adsense page views have been trending down and show about 30% less page views than what analytics is showing.

My adsense code and analytics tracking code are together on every page.

Anyone ever seen this? Really perplexing. My adsense revenue is just sucking compared to the big growth I keep getting.

[netmeg]

Happens a lot. There's a lot of info in earlier posts in this forum and out on the net about it.

[JCKline]

There are many reasons, adblockers for one.

[Leonard0]

Check your coverage in the custom channel report. It should be close to 100%.
To see coverage data, click on the Columns button in the upper right and select Ad Requests.

Also, Ananlytics does not include link unit impressions or clicks.

Analytics support
[google.com...]

Why do my statistics differ between AdSense and Analytics?
Analytics makes extraordinary efforts to provide accurate reports. For that reason, no measurements other than those maintained by Google shall be accepted for reporting purposes. If the reports you receive from Analytics are different from the ones in AdSense after you link the two accounts, there are a number of possible explanations.

I. Reasons why a page impression in AdSense may not line up to a page view in Analytics

* Cookies: Analytics only tracks visitors who have cookies enabled on their browser. For users without cookies enabled, the AdSense information will not be reported in the Analytics reports


* Separate JavaScript code: AdSense counts a page impression when the AdSense ad code is executed by a user's browser. Similarly, Analytics counts a page view only when the Google Analytics tracking code is executed by a user's browser. Because they are located in different parts of your page, it is possible that one of these JavaScript snippets will load and the other will not.

For example, because we recommend placing the tracking code at the bottom of your HTML, in very rare cases a user will enter and then exit a page before the page completely loads and before the tracking code is executed. In this case, AdSense might count a page impression, but Analytics won't count the page view. This would result in a higher page impression count in AdSense than page view count in Analytics.


* Iframes: AdSense uses an iframe to serve ads. Browsers that don't support the <iframe> tag will not report an impression. This can result in Analytics counting more page views than AdSense counts impressions.


* Security (blocking) Software: Your AdSense impressions might also be decreased by personal firewall software or ad blocking software which can cause Google ads to not display on your site or may obscure portions of the ad. Ad blocking features of your users' Internet security software must be disabled in order to view Google ads.

<snip>

[edited by: incrediBILL at 1:50 pm (utc) on Jun 6, 2011]
[edit reason] edited for fair use [/edit]

[jost]

Strange..... there has been a steady downtrend in AD REQUESTS since April 1st. I cant explain it. Traffic has been straight up since Apr 1. Ad requests straight down. Still totally perplexed.

I would expect to see a constant difference due to ad blockers and other reasons noted above but NOT a diverging trend. If this trend were to continue forever, my site earning would go to zero while my traffic kept climbing.