BuiltWith is a web site profiler tool. Upon looking up a page, BuiltWith returns a list all the technologies in use on that page that it can find.

BuiltWith Add-on for Firefox: Identify Website Technologies
BuiltWith is a robust Firefox add-on functioning as a website profiler tool. It enables users to discern what technologies are implemented on any given webpage. This tool proves beneficial for developers, researchers, and designers alike, aiding them in making informed decisions about which technologies to incorporate into their own projects.
Add-on stats
By: garazy
Weekly download count: 181
Firefox on Android: Yes
Manifest version: 2
Permissions:
- activeTab
- tabs
- *://builtwith.com/*
Size: 22.09K
Email: su*****@builtwith.com
URLs: Website ,Privacy policy
Ranking
# 841 ▲ 3
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
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Add-on summary
BuiltWith's goal is to help developers, researchers and designers find out what technologies web pages are using which may help them to decide what technologies to implement themselves.
User reviews
Pros
- Provides comprehensive information about websites
- Useful for developers and those analyzing websites
- Generally well-received and appreciated
Cons
- Frequent captchas hinder usability
- Often presents error messages or forbidden access
- Upselling attempts clutter the interface
- Compatibility issues with Firefox Developer Edition
- Not functional in dark mode
Most mentioned
- Issues with captchas
- Forbidden access messages
- User interface problems related to upselling and visibility
User reviews
by 远离中共邪教快退出党团队, 2025-02-09
by igorlogius, 2024-12-14
by Islington Locksmith, 2024-12-04
Add-on safety
Risk impact
BuiltWith requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- Low ******* ****** ** *** ********* ******** *************
Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of BuiltWith. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
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