Adsense check with every ad view?

[Free WordPress Themes]

Hi,

just noticed inside the logs that Google Adsense visits a site with every page view:

66.249.66.237 - - [14/May/2007:08:36:28 +0200] "GET /video_tags.php?page=4&tag=wii HTTP/1.1" 200 13981 "-" "Mediapartners-Google/2.1"

I think they do that to check if a possible click is done by human.

the bad thing is that every page view costs double bandwidth (of course only the html)

Edit: The strange thing is that they visit the site 2 or 3 seconds later...maybe its only because the page is viewed the first time, what do you think?

[Philippine Beach Resorts Blog]

they spider each time to determine what ad to show in your page...

[Free WordPress Themes]

they spider each time to determine what ad to show in your page...

looks to me only once in a while

I've noticed the same thing and assumed it was to determine which ads to show, like Vince said.

[Join us @ facebook]

That's right. Whenever a new page visited, the bot is crawling it to determine the content.

I think this is also relative to the headers you sent. For a dynamic page the bot will visit more often.

[Guest]

[36.959]

Googlebot, Yahoo crawler