The Yahoo! Publisher Network (abbreviated YPN) was an

advertising network An online advertising network or ad network is a company that connects advertisers to websites that want to host advertisements. The key function of an ad network is an aggregation of ad supply from publishers and matching it with advertiser's d ...

launched on August 2, 2005 by

Yahoo! Yahoo! (, styled yahoo''!'' in its logo) is an American web services provider. It is headquartered in Sunnyvale, California and operated by the namesake company Yahoo Inc., which is 90% owned by investment funds managed by Apollo Global Mana ...

and effectively closed on April 30, 2010. The service only accepted US-Based publishers. YPN provided

cost per click Pay-per-click (PPC) is an internet advertising model used to drive traffic to websites, in which an advertiser pays a publisher (typically a search engine, website owner, or a network of websites) when the ad is clicked. Pay-per-click is usuall ...

contextual advertising Contextual advertising is a form of targeted advertising for advertisements appearing on websites or other media, such as content displayed in mobile browsers. In context targeting, advertising media are controlled on the basis of the content of ...

as well as various tools and services to assist publishers in building and improving their websites.

History

In May 2006, YPN caused some controversy by shutting down accounts used for MySpace layout sites. The reason given was the quality of traffic was very poor. Also in May 2006, the Yahoo! Publisher Network's blog posted an updated version of their requirements from publishers. YPN explicitly stated visitors must recognize advertisements as advertisements, and images/media could not be placed to induce accidental clicks.

Closure

Users of the service received an

e-mail Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. Email was thus conceived as the electronic (digital) version of, or counterpart to, mail, at a time when "mail" meant ...

on March 31, 2010 that the service would stop serving ads on April 30, 2010.Yahoo Publisher Network To Be Axed, Customers Referred To Chitika Instead
/ref> Users who wished to continue displaying advertisements were referred to the Chitika ad network. Chitika is a search-targeted advertising network and serves over 2 billion ads per month.

References

External links

Yahoo Publisher Network

Yahoo Publisher Network Blog
{{Yahoo! Inc. Publisher Network Online advertising services and affiliate networks