whatweb

TLDR

Scan website

$ whatweb [https://example.com]

Verbose output

$ whatweb -v [url]

Aggressive scan

$ whatweb -a [3] [url]

Output to file

$ whatweb --log-verbose=[output.txt] [url]

Multiple URLs

$ whatweb [url1] [url2]

JSON output

$ whatweb --log-json=[output.json] [url]

SYNOPSIS

whatweb [-v] [-a level] [--log-verbose file] urls

whatweb identifies websites. It fingerprints technologies.
Technology detection. CMS, frameworks.
Plugin-based. Extensible.
Multiple aggression levels. Passive to aggressive.
Various outputs. JSON, XML, SQL.

PARAMETERS

-v

Verbose output.

-a LEVEL

Aggression (1-4).

--log-verbose FILE

Verbose log.

--log-json FILE

JSON output.

-q

Quiet mode.

--user-agent UA

Custom UA.

CAVEATS

Authorized use only. May be detected. Ruby required.

HISTORY

WhatWeb was created for web reconnaissance, identifying technologies and features on websites.