WhatWeb is an open-source reconnaissance tool used for web scanning and fingerprinting. It is designed to identify and gather information about the technologies and frameworks used by a target website. WhatWeb is capable of detecting various aspects of a website, including web servers, content management systems (CMS), programming languages, JavaScript frameworks, and more.
it sends HTTP requests with different headers and analyzes the responses to identify patterns and signatures. This allows WhatWeb to make educated guesses about the technologies employed by the website.
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This software is free and has great features for everyday users like myself.
I particularly enjoyed the groups functions. "WhatsApp" allows myself and my
team communicate with our clients that are international no matter what device
they have. From texting and phone calls and the ability to do groups is just
amazing.
WhatsApp: https://www.whatsapp.com/
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# Basic scan of a website to identify technologies
whatweb example.com
# Increase verbosity for more detailed information
whatweb -v example.com
# Save the output to a file
whatweb example.com -o output.txt