I was checking my mails and found this linked site. Visited the site and found that there are 9 adsense units on the page?? How is it possilbe. May be the guy has premium adsense, but do they get 9 units to place in a page... How does google allow such pages???? Link: http://information.100stuff.com/unbelievable-megamachine/
Well its quite simple adsense allows 3 regular ad boxes, But now with the new Referrals feature, you can add up to 15 more ad units on the same page. These 15 referrals boxes look exactly the same as regular ad units, But these are not dynamic, that is, the ads shown in these 15 boxes are chosen by you, whereas in the case of regular ad units, the ads are dynamic and are displayed based on the content on your site. You can chek it out yourself by logging into adsense and choosing referrals! EDIT : OOPS i just had a look on his website. Well if you use the adsense code for more than the number of times allowed, the crawler just neglects the additional codes. In this particular website, there are more ads than allowed, It clearly means that the ads shown are from different publisher IDs Using different publisher IDs you can display any number of ads, but when google notices, they ban your account.
According to my knowledge whatever you do maximum amount of ads that will be displayed will be 3 units. This is how he is cheating
I can see only 4 ad unit scripts 728x90 336x280 336x280 728x15 Where are the other ads coming from? (160x600 or 250x250??)
Yeah with I frame he is calling different pages so that for google it's not an single page that's why he is able to show this many ads. But in a single pages it's not possible.
hahha now all except the first two are PSAs nothing stops you from putting all those ads, you will just eventually get booted