It represents network of many web sites that are into advertising and that allow advertisers to reach out to their audiences through different channels.

Advertising network acts as a platform to a number of media buyers to effectively campaign and coordinate thousands of sites across the web. The network campaigns involve ads that are set up on an entire network or on a category. These networks vary a great deal based on focus and sheer size. For large ad networks to work effectively; impressions running into millions per month and presence of premium brands are important. However for smaller networks, few thousand impressions spread across a month and presence of unbranded sites are accepted. Areas of concern for publishers would be regarding representation styles- exclusive and non-exclusive.