What is a CMS detector?
A CMS (Content Management System) is the software on which a website is built: WordPress, Shopify, Wix, Webflow, Drupal, PrestaShop, Joomla… Each CMS leaves recognizable technical traces in a site’s code.
The Twaino CMS detector analyzes any URL and identifies the technology used in seconds — without digging through source code or installing any extension. Free, no registration required, and unlimited use.
Level: 🟢 Accessible to everyone · Price: 💸 100% free · Usage: 🌐 Online, no installation
How to use the CMS detector
Paste the address of the website to analyze in the field above.
The tool queries the website and examines its technical signature.
The detected CMS appears in seconds, often with additional clues.
How does detection work?
No website openly displays its platform. The tool therefore cross-references several technical signals to establish a reliable diagnosis:
- The
meta generatortag, which many CMS platforms add by default in HTML code. - Characteristic file paths:
/wp-content/reveals WordPress, the domaincdn.shopify.comreveals Shopify,/sites/default/points to Drupal. - HTTP headers and cookies set by the server.
- Scripts and stylesheets loaded by the page, whose names often reveal the platform.
It’s the combination of these clues that makes detection reliable, even when a site tries to hide its generator tag.
💡 Our advice
If the tool returns “CMS not identified,” that’s not necessarily an error: the site is likely custom-built. That’s valuable information in itself about the technical customization level of the project.
Why identify a site’s CMS?
Knowing a site’s platform opens up many practical uses, both for SEO and commercial development:
| ✅ SEO & technical side | 🎯 Business side |
|---|---|
| • Tailor SEO audit to CMS strengths • Anticipate platform migration • Identify a competitor’s tech stack |
• Prospect sites using specific tech • Qualify a prospect before quoting • Monitor competitor activity |
On the SEO side, each CMS has its specificities: that’s exactly what our SEO by CMS approach covers.
The most common CMS platforms
~43 %
of websites worldwide run on WordPress
WordPress dominates by far, followed by Shopify (e-commerce), Wix and Squarespace (consumer sites), Webflow, then Drupal, Joomla and PrestaShop. You can extend your analysis with the WordPress theme detector and the WordPress plugin detector.
✅ Key takeaway
The CMS detector reveals a site’s platform in seconds based on its technical signatures. A handy reflex for competitive analysis, prospecting, and scoping an SEO audit.
Frequently asked questions
Is the CMS detector free?
Yes, the tool is completely free and can be used without registration or analysis limits. Simply enter a URL to get the detected CMS. Twaino offers this tool as part of its free SEO tools suite.
Is detection 100% reliable?
Detection is very reliable for common CMS platforms like WordPress, Shopify, Wix, or Drupal, as they leave clear technical signatures. It may fail on heavily customized or custom-built sites: in that case, the tool indicates CMS not identified, which is still useful information.
How can I tell if a site uses WordPress?
The most common sign is the presence of the /wp-content/ folder in the URLs of the site’s images and files. The CMS detector checks this signal along with other clues like the generator tag and loaded scripts to automatically confirm WordPress use.
Does CMS have an impact on SEO?
Yes. Each CMS handles URLs, tags, page speed, and structured data differently. No CMS is objectively better for SEO, but each requires specific optimizations. Knowing a site’s CMS allows you to target SEO audit recommendations precisely.
Can you detect the CMS of any website?
The tool works on the vast majority of publicly accessible websites. Exceptions include password-protected sites, those that block analysis bots, or fully custom-built sites without a CMS. For a WordPress site, analysis can be enhanced with theme and plugin detection.