WhatCMS Review 2026
What CMS Is This Site Using?
What is WhatCMS?
WhatCMS is a web technology detection service that identifies which CMS and powering technologies a website uses. It also offers lead generation tech reports, batch detection, and an API.
Best for
SMB
Use cases
- Technographic research
- Lead generation
- Competitive intelligence
Key features
CMS and tech detection (1540+ technologies)
Technology lead reports
Batch detection (JSON/CSV)
API access
Hosting provider and WordPress theme data
Pricing
Model
freemium
Price range
Free detection; free and premium API plans
Free tier
Yes
Integrations
WhatCMS integrates with 3 tools including:
APIFirefox add-onChrome extension
WhatCMS alternatives
Other Prospecting & Lead Data tools worth comparing.