Identify technologies on websites

Wappalyzer - Discover Technologies on Websites
'Wappalyzer' is a comprehensive browser extension for Firefox that can efficiently identify an array of technologies used on websites. It possesses the unique capability to detect content management systems, eCommerce platforms, web servers, JavaScript frameworks, analytic tools, and many more technological aspects that make up a website. It's the perfect tool for those curious about the technological facets of their favorite websites.
Add-on stats
Manifest V2
By: Wappalyzer
Rating: 4.42
1 new ratings
(504)
Weekly download count: 3,462
Firefox on Android: No
Permissions:
- cookies
- storage
- tabs
- webRequest
- http://*/*
- https://*/*
Size: 24.50M
URLs: Website ,Privacy policy
Full description: See detailed description
Ranking
# 141 ▲ 2
Other platforms
Not available on Android
User reviews
Pros
- great tool to work with
- useful for technology stack identification
Cons
- slows down browser performance
- high memory usage
Most mentioned
- memory usage
- browser slowdown
User reviews
by Firefox user 18868654, 2025-03-06
useful but slows down browser horrendously
by navvkk, 2025-03-01
by Firefox user 18856933, 2025-02-28
Add-on safety
Risk impact
Wappalyzer requires some sensitive permissions that could impact your browser and data security. 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.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Wappalyzer. Use it at your own risk.
Risk likelihood analysis details
- Medium This extension was updated in the past 3 months. New updates may not be stable or safe.
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