Tampa, Fla.--Rankstreet.com, which is owned by SwiftyNet.com, announced Monday that it plans to launch a Web site that will cater to business-to-business marketers. The site will include a directory, Web counter and Internet advertising agency. Marketers will be able to purchase ad space on participating Web sites in the Rankstreet.com network. Rankstreet.com will tabulate incoming data to rank the sites in its network according to stickiness, and number of visitors and hits. By consulting the site, prospective advertisers can use this information to decide where to run their online advertising.