BuiltWith

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 is a powerful website profiler tool designed for developers, researchers, and designers. By analyzing any web page, it identifies and returns a comprehensive list of the technologies used on that page, including frameworks, analytics tools, content management systems, and more.

This extension helps professionals make informed decisions about technology implementation by revealing insights into how websites are built. Whether you're researching competitors, assessing tech stacks, or simply curious, BuiltWith provides quick and detailed tech profiles at your fingertips.

Manifest V2 Add-on
By:
garazy
Daily users:
8,177 -8
Rating:
3.94
(36)
Version:
2.4 Last updated: 2022-05-09
Version code:
5402113
Creation date:
2008-07-04
Risk:
Moderate risk impact Low risk likelihood
Permissions:
  • activeTab
  • tabs
  • *://builtwith.com/*
Size:
21.57KB
Email:
su*****@builtwith.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Browser Add-ons
Updated:
a day ago

User reviews

Users find the BuiltWith Firefox add-on useful for detailed website information and generally effective. However, multiple reviews mention issues such as it not working on Firefox Developer Edition, frequent captchas that block functionality, excessive upsell prompts with unclear pricing, and UI problems like the icon being invisible in dark mode.
Pros
  • Provides detailed information about websites compared to other add-ons
  • Useful and appreciated by users
  • Works well on standard Firefox versions
Cons
  • Fails to work on Firefox Developer Edition
  • Shows captchas repeatedly without providing useful information
  • UI heavily features upsell attempts and unclear pricing
  • Icon is not visible in dark mode
Recent reviews
by Fi*****, 2025-04-09

by 退出*****, 2025-03-23

by 远离*****, 2025-02-09
View all user reviews ›

Extension safety

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

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
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Browser Add-ons, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

BuiltWith has earned a fairly good reputation and likely can be trusted.

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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