
Discover what runs a website
WhatRuns is a free browser extension that identifies the technologies powering any website with a single click. It detects CMS platforms, frameworks, analytics tools, CDNs, WordPress plugins, themes, fonts and more, and can notify you when a site you follow adds or removes a technology.
Click the extension icon on any website to instantly see the full stack of technologies it uses.
Identifies CMSs, frameworks, web apps, analytics, advertising tools, CDNs and hosting providers.
Uncovers the specific WordPress plugins, themes and fonts a site is running, which many competitors miss.
Follow any site and get notified when it starts or stops using a particular technology.
New web apps and technologies are added regularly so detection stays current with the latest tools.
Install the extension and start detecting technologies immediately with no account needed.
A small extension that runs in the browser with negligible impact on page load and performance.
Quickly profile a competitor's tech stack to understand the tools and platforms they rely on.
Inspect a prospect's website before a pitch to tailor proposals around their existing technologies.
Find out which frameworks, libraries and services power sites you admire.
Identify sites running a specific platform or plugin to target prospects that fit your product.
Follow key websites to be alerted when they adopt or drop technologies over time.

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