ESF

MyNetCheck detected ESF as a web server technology. Server software that receives HTTP requests and returns website content.

Technology typeWeb Server

Server software that receives HTTP requests and returns website content.

Websites observed1

Unique public website profiles where MyNetCheck has detected this signal.

Detection methodPublic fingerprint

Page source, public response headers, asset URLs or other externally visible website signals.

What does ESF do?

MyNetCheck detected ESF as a web server technology. Server software that receives HTTP requests and returns website content.

Detection is heuristic. A match means MyNetCheck found public evidence consistent with this technology; it does not mean MyNetCheck has access to the website's private server configuration.

Websites using ESF

www.youtube.com84/10021 Aug 2026

Understanding this technology data

MyNetCheck builds this profile from public website scans. Detection can come from page markup, asset paths, response headers and other externally visible signals. Counts change as websites are scanned or refreshed.