whatweb
whatweb (5.1k β, 2021 β οΈ) is a common webscanner used to find some common information about websites.
$ whatweb URL
# Server
# Libraries used (ex: JQuery...)
# Uncommon Headers
Common options
-a <value>
: aggression level (1 < 3 < 4)-U="custom user agent"
: bypass basic WAF-v
: verbose output