Stable signalNo paid features detectedHigh-risk permissions

WhatRuns

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

Users400KCurrent public install base

Rating4.2Store average score

Reviews828Public review volume

Manifest versionV3Extension platform version

7-day growth0Net users gained this week

7-day growth rate0%Relative weekly velocity

Preview

WhatRuns Media preview

5 assets

Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start

4.21

Latest

4.21

7-day rating change

0.00

2026年7月15日2026年7月21日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat

00%

7-day growthFlat

00%

30-day growthFlat

00%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.8.20

ManifestV3

Size1.92MiB

Languages24Deutsch / English / Indonesia +21

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

WhatRuns extension is one click away for you to find technologies used on any website you visit. From Developer Tools and Ad Networks to Wordpress Plugins and Themes, we detect even the new and upcoming tools and services.

Not just that - you can follow websites so that you get notified when they use new technologies or remove existing ones.

FAQ

How do you know what runs a website?

Every technology leaves a pattern on the websites it is being used. WhatRuns' algorithm recognizes these patterns to detect the tech stack of a particular website.

What all things you identify on a website?

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score4.2Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average4.0Average computed only from synced review bodies below

Reviews with text519Synced review bodies

Total ratings / reviews828Chrome Web Store public rating/review count

Store average score: 4.2. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

324

4★

3★

2★

1★

Sam Frost2020年10月5日

Used to be great, but now always saying 'server upgrade' and often totally offline.

damjan postolov2020年10月3日

COOL

tiara oliva2020年9月30日

me parece muy buena

Emre Sert2020年9月21日

garbage. it keeps giving me server maintenance warning and it shows only the basic shopify extensions not the 3rd party apps.

Rama Gakii2020年8月28日

excellent helped me make 170,000 $ after learning top technologies

Andres de Lucca2020年8月21日

Not working - last update Jan-2020 but it hasn't been working for a while, don't understand

Bene Tamás2020年8月20日

This extension gives an awesome insight into how many third party javascript code is launched on every web page. When using the ScriptSafe extension, then you can easier decide wether to allow scripts from third party or not. This extension helps provides more information about this party scripts and based on that you can make a decision in ScriptSafe extension.

Wagner Cateb2020年7月31日

Very nice tool!!

Lewis Edgar2020年7月23日

Not 100% reliable due to ongoing server maintenance making thee extension completely useless. However, when the extension is working it works perfectly and is a great addition to any browser who deals with dev work - but I cannot fully recommend it.

Renbo2020年4月7日

Great extension, but consuming 100% CPU from time to time so have to disable it and use it when i need it

Showing 519 results

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AI product read

Detect and display the technology stack of any website the user visits

Helps developers, marketers, and competitive analysts identify frameworks, CMS, analytics tools, WordPress plugins, themes, fonts, ad networks, and other technologies powering any website

1. User visits any website. 2. Content script collects page HTML, global variables, and font information. 3. Background script sends data to whatruns.com API for pattern matching. 4. Results are cached per tab. 5. User clicks extension icon to see a popup listing all detected technologies grouped by category (CMS, Analytics, JS Libraries, etc.), with icons and links to each technology's website.

Target users: Web developers researching tech stacks / Digital marketers doing competitive analysis / Product managers evaluating technologies / Tech enthusiasts curious about website infrastructure

The extension communicates with whatruns.com API endpoints (get_site_apps, analyse/page, analyse/path) for technology detection; the server-side detection logic is not available for review
Cannot confirm whether the whatruns.com website itself offers paid business plans separate from the extension
The 'follow' feature's server-side behavior (notification delivery) could not be fully verified from client code alone

Monetization

No paid features detected

All paid keyword matches are false positives from technology category names that the extension detects (e.g., 'Payments', 'Paywalls', 'Programming Language' contain substrings 'payment', 'paywall', 'pro'). 'Upgrade' matches are from humorous server maintenance error messages (e.g., 'server upgrade'). The extension has no payment UI, no subscription tiers, no Stripe/payment integrations, no feature gating, and no premium prompts anywhere in the source code. The extension is entirely free to use.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: Login exists but is only required for the optional 'Follow' feature (tracking website technology changes). The core workflow — detecting technologies on any visited website — works without login. The sign-in heading explicitly states 'Sign in to follow' (_locales/en/messages.json line 4). The isLoggedIn() function in popup_final_extension.js only triggers when the user clicks the 'Follow' button, and the technology detection in popup_final.js and background.js operates independently of authentication state.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：tabs、activeTab、webRequest、storage
主机权限覆盖范围较宽

Publisher

https://whatruns.com

WhatRuns

Email: [email protected]
Phone: --
Address: 11 Brindley Place Birmingham B1 2LP GB

Public contact fields are shown above. Developer portfolio pages are available on paid accounts.

View developer portfolio

Permissions

Host access