Paid services on Base matching “http-header”

Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.

Does a website use ShareThis? Fetches the page (homepage for a bare domain) and matches ShareThis's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (sharing). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.