# 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.

Canonical page: [https://chrome-stats.com/d/builtwith](https://chrome-stats.com/d/builtwith)

## Overview

- **ID:** `builtwith`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** garazy
- **Category:** web-development
- **Daily users:** 6,935
- **Weekly downloads:** 93
- **Rating:** 3.79 / 5 (42 ratings)
- **Version:** 2.5
- **Last updated:** 2025-11-26
- **First published:** 2008-07-04
- **Size:** 47 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/builtwith/)
- **Website:** [https://blog.builtwith.com/2017/10/31/builtwith-for-firefox-web-extension/](https://blog.builtwith.com/2017/10/31/builtwith-for-firefox-web-extension/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/builtwith/privacy/](https://addons.mozilla.org/firefox/addon/builtwith/privacy/)

## Description

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.

## Rankings

- #974 — Overall
- #94 — Web Development
- #5 — build
- #33 — technology
- #43 — goal
- #75 — return

## Permissions and access

### Permissions

- `activeTab`
- `tabs`

### Host permissions

- `*://builtwith.com/*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users consistently praise BuiltWith for delivering extensive information about websites and for being generally useful. Several reviews describe it as a valuable tool in this addon category, with phrases like great and useful indicating strong positive reception. However, a few reviewers report issues such as captchas interrupting interaction, occasional forbidden lookup messages, and upsell-oriented UI. These concerns are not mentioned by all users and do not appear consistently across reviews. Overall, BuiltWith is perceived as information-rich and helpful, but some users encounter friction during use.

### Pros

- Gives the most information about a website in this addon category.
- Generally useful and well-received by users.
- Positive user sentiment across multiple reviews and messages labeling it as great or useful.

## Similar extensions and apps

- [BuiltWith Technology PR](https://chrome-stats.com/d/builtwith-technology-pr) — 1 users
- [BuiltWith Technology Pro V2](https://chrome-stats.com/d/builtwith-technology-pro-v2) — 3 users
- [Site Powered By](https://chrome-stats.com/d/site-powered-by) — 2 users
- [NerdyData Website Inspector](https://chrome-stats.com/d/nerdydata-website-inspector) — 139 users, 4.20 / 5
- [Weblyzer - Web Analyzer](https://chrome-stats.com/d/weblyzer-web-analyzer) — 168 users
- [IntelBee - Website Tech Detector](https://chrome-stats.com/d/intelbee-website-tech-detector) — 2 users, 5.00 / 5
- [Tech Tracker](https://chrome-stats.com/d/tech-tracker) — 14 users
- [WhatRuns - Technology Profiler](https://chrome-stats.com/d/whatruns-technology-profiler) — 2 users
- [Technology Detector Lite](https://chrome-stats.com/d/technology-detector) — 1 users
- [TechStack Spy](https://chrome-stats.com/d/techstack-spy)
- [Website Technology Detector](https://chrome-stats.com/d/website-technology-detector) — 287 users, 5.00 / 5
- [Wappalyzer Lite](https://chrome-stats.com/d/wappalyzer-identify-technologi)

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Source: [Chrome-Stats](https://chrome-stats.com/d/builtwith)