A Simple Script to Geotarget YPN Ads
Introduction
Yahoo Publisher Network , Yahoo’s answer to AdSense, only pays for US clicks and impressions. Furthermore, they are banning publishers whose sites get too much international traffic. Therefore, if you are using YPN ads, it is absolutely critical that you target them so they display only to US visitors. Banner advertising programs often only pay well for US impresions, and show default or public
service ads for international visitors, so it is always a good idea to target your ads. Other geotargeting solutions include complicated
steps that involve installing an IP database, but there is a much simpler way to target your advertisements. I have written a PHP script that checks the visitor’s language, and serves ads accordingly. It is not 100% accurate, but it is easy to install, and, unlike an IP database, does not put a heavy load on your server. Read more »
