The community site, with its user forums and social networking features, makes money largely from its RateFinder search tool, display advertising and Google ads.

The programme will include a variety of what it calls "banners, widgets, logos, text-links, content and custom creative (s)" available to affiliates to place on their sites.

Disclosure: Slate participates in Amazon Associates, an "affiliate" advertising plan that rewards Web sites for sending customers to the online store.