Category
Sales Intelligence
Key features
One-click technology detection
CMS, analytics and plugin identification
Follow websites for stack changes
01 — Overview
What is
WhatRuns
WhatRuns is a browser extension that shows which technologies a website uses, from CMS and frameworks to analytics, marketing apps, hosting, fonts and WordPress plugins. You can follow sites and get notified when they add or drop a technology. Sales and marketing teams use it for quick technographic research on prospects and competitors.
02 — Who it’s for
Ideal Customer Profile
Useful for SDRs, marketers and founders at startups and small businesses who want a lightweight way to check a prospect's or competitor's tech stack while browsing.
03 — Capabilities
Key Features
One-click technology detection
CMS, analytics and plugin identification
Follow websites for stack changes
Change notifications
Chrome and Firefox extensions
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is WhatRuns used for?
It identifies the technologies behind any website, which teams use for competitor analysis, sales prospecting based on tech stack, and website profiling.
Who is WhatRuns for?
Anyone researching websites, including sales reps checking a prospect's stack, marketers studying competitors and developers curious about how a site is built.
Which browsers does WhatRuns support?
WhatRuns is available as an extension for Chrome and Firefox, and the site says no sign-up is needed to use it.
Can WhatRuns track changes on a website?
Yes. You can follow websites and WhatRuns notifies you when a site starts or stops using a technology.




