Free CMS Detector

Find out what any website is built with. Detects WordPress, Shopify, Webflow, Wix, Squarespace, Next.js, Ghost and more — with the evidence behind every match.

We read the page's markup and response headers. If the homepage gives nothing away, we check a blog page too.

See What a Site Is Really Built With

Every platform leaves fingerprints: a generator meta tag, a CDN hostname, a response header, a predictable asset path. This detector reads a site's markup and headers, matches them against known signatures, and shows you the evidence for each match rather than just asserting an answer — so you can judge it yourself. If the homepage gives nothing away, it checks a blog page too, which is often where a CMS reveals itself.

Knowing the platform is step one; publishing more and better content than the competitor running it is step two. Skribra integrates directly with WordPress, Shopify, Webflow, Notion and custom webhooks, so published articles land wherever your site already lives.

SEO-Optimized Content

Create content that ranks with built-in SEO best practices. Skribra analyzes search intent, competitor content, and keyword opportunities to generate articles optimized for organic traffic from day one.

AI-Powered Generation

Get ideas, outlines, and full articles delivered straight to your CMS. With AI that understands context and your brand voice, you'll move from idea to published content faster than ever.

Human-First Quality

Every article reads naturally and provides real value to your audience. No robotic AI content—just well-researched, engaging articles that build trust and authority in your niche.

Automated Publishing

Connect Skribra to WordPress, Webflow, or your custom CMS. Articles are automatically published on your schedule, so you can focus on growing your business while your content works for you.

Ready to Scale Your Content?

Join thousands of businesses using Skribra to grow their organic traffic with AI-powered SEO content.

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Who Benefits From a CMS Detector?

Anyone who needs to know what a website runs on before they act.

Agency Teams

Scope a prospect's project accurately before quoting on it.

Web Developers

Identify a platform before taking over an unfamiliar codebase.

SEO Specialists

Know which platform's quirks and plugins you are working around.

Competitive Analysts

See which platforms competitors in your market have chosen.

Sales Teams

Qualify leads by whether their stack fits what you integrate with.

Freelancers

Confirm a prospective client's site matches your expertise.

Founders

Research what platforms sites you admire were actually built on.

Migration Planners

Document the current stack before planning a replatform.

Frequently Asked Questions

Which platforms can it detect?

Content systems (WordPress, Drupal, Joomla, Ghost, HubSpot CMS, Notion), site builders (Wix, Squarespace, Webflow, Framer), ecommerce platforms (Shopify, WooCommerce, BigCommerce) and JavaScript frameworks (Next.js, Nuxt, Astro, Gatsby). It also reports secondary matches, because a Shopify store built on a React framework is genuinely both.

How does the detection work?

It fetches the page and matches its HTML and response headers against known fingerprints. Strong signals — a generator meta tag, a platform-specific response header, a platform CDN hostname — count for more than weak ones like a class name or asset path, since those are easy to copy by accident. The confidence level reflects how much strong evidence was found.

Why does it say 'not identified'?

Usually a custom build, a static site generator that leaves no trace, or a proxy like Cloudflare stripping identifying headers. None of those are problems — plenty of well-built sites are deliberately anonymous about their stack.

Can the result be wrong?

It can be incomplete. Fingerprints prove what is present, not what is absent, so a low-confidence match or a missing one means we found little evidence rather than that a platform is ruled out. That is exactly why the evidence is shown to you instead of hidden.

Does it detect plugins and themes?

Not individually. It identifies the platform and closely related layers — WooCommerce on top of WordPress, for instance — but does not enumerate installed plugins or theme names.

Is it free and unlimited?

Free, with no sign-up. There is a fair-use limit per visitor so the tool stays fast for everyone, and results are cached for a week, so re-checking the same domain is instant.

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