San Jose, Calif.--Decise, a Web site marketing service provider, announced Monday two new marketing-intelligence services aimed at keeping corporate sites competitive. DeciseCompete tracks a company's competitor sites. It warns of new products and services posted by the competition, as well as new marketing initiatives. DecisePerform automatically searches corporate and competitor sites on a regular basis to chart such performance factors as page delivery time, ease of navigation and site size. The services begin at $2,400 annually.