The best Website Audit alternative to BuiltWith is urlscan.io, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to BuiltWith and four of them are Website Audit Tools so hopefully you can find a suitable replacement. Other interesting Website Audit Tool alternatives to BuiltWith are Blacklight Privacy Inspector, WebTechSurvey and HTTP Observatory.
urlscan.io is a free service to scan and analyse websites. When a URL is submitted to urlscan.io, an automated process will browse to the URL like a regular user and record the activity that this page navigation creates.
Who is peeking over your shoulder while you work, watch videos, learn, explore, and shop on the internet? Enter the address of any website, and Blacklight will scan it and reveal the specific user-tracking technologies on the site—and who’s getting your data.
Blacklight Privacy Inspector is the most popular Open Source alternative to BuiltWith.
WebTechSurvey is an online technology checker. Lookup website technology stack. Discover recent additions to the website technology stack. Compile a list of websites that use specific web technology, or recently made a technology switch.
Technology data is updated monthly, and the lead lists price is competitive
Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.
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urlscan shows more intuitive, responsive and technical details about sites. builtwith has more comments about technologies