Ad networks connect publishers and advertisers. You can join an ad network as a publisher to display ads on your website. Advertisers use ad networks to promote their products or services. The ad network matches relevant ads with your website. You earn money when visitors view or click the ads. Advertisers pay the network to reach the right audience. The network uses algorithms to match ads with your content. Publishers attract advertisers by offering valuable traffic. Advertisers choose networks with many publishers to get results. The network manages payments and tracks performance. You benefit by focusing on quality content.