WhatRuns

Discover what runs a website. Frameworks, Analytics Tools, Wordpress Plugins, Fonts - you name it.

WhatRuns is a powerful Chrome extension that lets you instantly uncover the technologies behind any website you visit. Whether it's frameworks, analytics tools, Wordpress plugins, fonts, or themes, WhatRuns detects them all with high accuracy using sophisticated pattern recognition algorithms.

This lightweight extension updates you when a website adopts new tech or drops existing ones. Compared to similar tools, WhatRuns is less heavy on your browser and uniquely identifies fonts and Wordpress themes, offering deeper insights for developers, marketers, and tech enthusiasts alike.

By:
https://www.whatruns.com
Users:
400,000+
Rating:
3.89
(469)
5 new ratings
Version:
1.8.12 Last updated: 2025-05-08
Creation date:
2020-01-26
Risk:
High risk impact Very low risk likelihood
Permissions:
  • tabs
  • activeTab
  • webRequest
  • storage
Host permissions:
  • <all_urls>
Size:
1.94M
Email:
he*****@whatruns.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Chrome Web Store
Updated:
a day ago

Other platforms

WhatRuns (v1.7.7)
7,761+ 4.08 (59)
WhatRuns (v3.8.10.2352)
5,701+ 4.00 (4)

User reviews

WhatRuns is appreciated as a helpful and quick tool for discovering website technologies, useful in both personal and professional contexts. It works well on popular platforms like Wordpress and Squarespace and aids in client preparation. However, multiple users report issues such as inaccurate technology detection, complete failures to load, and crashes on some social media sites. Recent updates may have introduced bugs that reduce reliability and functionality for several users.
Pros
  • Provides useful insights about technologies powering websites
  • Helpful for personal and work projects, especially for web designers
  • Quick and easy to use
  • Good for preparing before client meetings
  • Generally reliable on common platforms like Squarespace and Wordpress
Cons
  • Sometimes fails to detect correct technologies or shows inaccurate information
  • Occasionally does not work or keeps loading endlessly
  • Recent updates introduced bugs causing malfunctions on many websites
  • Causes crashes in certain apps like Facebook and Instagram
Recent reviews
good for developers
by Joedel Lagong, 2025-05-16

great tool for developers
by Rodrigo Orellana, 2025-05-15

very helpful
by Claudio D'Alvise, 2025-05-15
View all user reviews ›

Extension safety

Risk impact

WhatRuns 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

WhatRuns has earned a good reputation and can be trusted.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
  • Medium **** ********* *** ****** **** ****** ********* ********** *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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Upgrade to see full risk analysis details

Promo images

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