Alternatives to BuiltWith

A web tool that detects the technologies a website is built with. The listings below can replace it for an important use case. Each note says what changes if you switch.

Also worth comparing

These listings name BuiltWith as their own alternative, so the relationship runs both ways.

  • HackerTarget WhatWeb Scan

    An online scan that runs WhatWeb and Wappalyzer to fingerprint the technologies behind a website.

    FreemiumProprietaryWeb

    BuiltWith identifies CMS, analytics, CDN and hosting with free single-site lookups and technology trend data, while detailed reports and bulk data require paid plans.

  • Netcraft Site Report

    A free web lookup that shows the hosting, server software and technologies behind any website.

    FreeProprietaryWeb

    BuiltWith identifies CMS, analytics, CDN and hosting with free single lookups, but detailed reports and bulk data require paid plans and no risk rating is shown.

  • W3Techs Site Info

    A free web lookup that shows the CMS, programming language, web server and host a site uses.

    FreeProprietaryWebBrowser extension

    BuiltWith identifies CMS, analytics, CDN and hosting with free single-site lookups, but detailed reports and bulk data require paid plans.

  • WhatCMS

    A web tool that detects which CMS and other technologies power a given website.

    FreeProprietaryWeb

    BuiltWith identifies CMS, analytics, CDN and hosting with free single lookups and trend data, while detailed reports and bulk data are paid.

  • WordPress Theme Detector

    A free online tool that identifies the WordPress theme and plugins a website is using.

    FreeProprietaryWeb

    BuiltWith identifies CMS, analytics, CDN and hosting on any site, with detailed reports on paid plans and less WordPress-specific detail.

Similar software

Related functionality, not a direct replacement.