JavaScript frameworks
Category
Software
Type
About ef.js
ef.js is a popular javascript frameworks used by modern websites. It provides essential functionality for web applications and is detected by analyzing various signals including scripts, headers, and DOM patterns.
Website: https://ef.js.org
Example Sites Using ef.js
nbcnewyork.com
Analyzed 2/4/2026
75%
suse.com
Analyzed 2/4/2026
75%
6sense.com
Analyzed 2/4/2026
75%
wko.at
Analyzed 2/5/2026
75%
nbclosangeles.com
Analyzed 2/5/2026
75%
nbcchicago.com
Analyzed 2/5/2026
75%
chatango.com
Analyzed 2/5/2026
75%
trustedshops.com
Analyzed 2/5/2026
75%
ces.tech
Analyzed 2/5/2026
75%
nbcbayarea.com
Analyzed 2/5/2026
75%
nbcwashington.com
Analyzed 2/5/2026
75%
nbcdfw.com
Analyzed 2/5/2026
75%
nbcphiladelphia.com
Analyzed 2/5/2026
75%
nbcmiami.com
Analyzed 2/5/2026
75%
nbcboston.com
Analyzed 2/6/2026
75%
nbcsandiego.com
Analyzed 2/6/2026
75%
grafana.org
Analyzed 2/6/2026
75%
dataliberation.org
Analyzed 2/6/2026
75%