WhatCMS vs WhatStack

See how WhatStack compares to WhatCMS for website technology detection. WhatCMS is a CMS detection service focused on identifying content management systems used by websites.

Feature Comparison

Feature	WhatStack	WhatCMS
CMS detection
Framework detection
Hosting detection		Limited
Version detection
News site detection
JavaScript library detection
Free API requests	500/mo	10/day
WordPress theme detection
Technology categories	30+	CMS only

Why choose WhatStack

Full Stack Detection

Detect CMS, frameworks, JavaScript libraries, CDNs, analytics, and more — not just CMS.

More Free Requests

500 free API requests per month vs 10 per day with WhatCMS.

Version Detection

Identify exact software versions for vulnerability assessment and compatibility checks.

News Site Detection

Unique feature: detect whether a website is a news or media publication.

Try WhatStack for free

No credit card required. 500 free requests per month.