WhatRuns

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

WhatRuns Chrome Extension: Uncover Website Technologies

WhatRuns is a Chrome extension that allows users to peek behind the scenes of any website. At a simple click, it identifies the different technologies used on a website such as developer tools, ad networks, WordPress plugins, and themes, including the latest ones. It also tracks changes in the tech stack of followed websites. Unique in its lightweight design and high detection accuracy, WhatRuns surpasses other tools by offering insights into fonts, WordPress plugins and themes used on websites.
Install from Chrome Web Store

Extension stats

Manifest V3
Users: 400,000+
Version: 1.8.5 (Last updated: 2025-03-03)
Creation date: 2020-01-26
Permissions:
  • tabs
  • activeTab
  • webRequest
  • storage
Host permissions:
  • <all_urls>
Size: 983.04K
Full description: See detailed description

Other platforms

Not available on Android
WhatRuns (v1.7.7)
8,171+ 4.11 (61)
WhatRuns (v3.8.10.2352)
5,594+ 4.00 (4)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Useful for understanding website functionality
  • Works well when it functions correctly
  • Excellent user interface
  • Interesting insights into web technologies
Cons
  • Frequently fails to work or provides incorrect information
  • Not updated or supported regularly
  • Causes issues with website loading
  • Inaccurate detection of technologies
  • Generally unreliable
Most mentioned
  • Not working or has been unreliable for months
  • Inaccurate information reported
  • Works sometimes but requires refreshing
  • Great interface but functionality issues
  • Not supported or updated anymore
User reviews
他所に移行します。使いこなせませんでした。
by 悠羽司恩, 2025-03-09

bom, entregou 70%!
by ALEX R M, 2025-03-08

Whatruns has been hugely useful for me over the years in understanding bits of functionality that sites have. As of December 2024, I've tested it on a bunch of sites and it worked fine although it sometimes doesn't. For a free tool, it's awesome.
by John Fuller, 2024-12-23
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

We don't have sufficient data to confidently determine the risk likelihood of WhatRuns. Use it at your own risk.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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Promo images

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