What is Umbraco?

CMS

Umbraco is a content management system (CMS): .NET open-source CMS. Tech Stack Detector identifies Umbraco on any website by analysing the HTML source and HTTP response headers.

Umbraco is a content management system (CMS) (CMS). See websites using Umbraco ↓

CategoryCMS

Official siteumbraco.com

Detection signals2 signals

In our indexNot yet detected

How Tech Stack Detector detects Umbraco

Umbraco is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

Html PatternUmbraco-specific paths
HeaderX-Umbraco-Version header

Detecting Umbraco also implies ASP.NET.

Websites using Umbraco

No websites in our public index are known to use Umbraco yet. Scan a site above that uses it to be the first. Your result becomes a shareable /site/… page.

Alternatives to Umbraco

Other CMS technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

WordPressCMS58 sites WebflowCMS6 sites Adobe Experience ManagerCMS5 sites DrupalCMS5 sites FramerCMS5 sites ContentfulCMS4 sites SanityCMS3 sites SquarespaceCMS3 sites JoomlaCMS2 sites WixCMS2 sites HubSpot CMSCMS1 site SitecoreCMS1 site

Compare Umbraco

Side-by-side comparisons of Umbraco with other CMS technologies.

Umbraco vs WordPress Umbraco vs Webflow Umbraco vs Adobe Experience Manager Umbraco vs Drupal Umbraco vs Framer

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

CloudflareCDN247 sites Google FontsFont215 sites Tailwind CSSUI Library170 sites ReactFramework165 sites Progressive Web AppOther147 sites PHPLanguage139 sites Node.jsLanguage136 sites Next.jsFramework124 sites BootstrapUI Library119 sites Google WorkspaceOther110 sites

Frequently asked questions

What is Umbraco?

Umbraco is a content management system (CMS): .NET open-source CMS. Tech Stack Detector identifies Umbraco on any website by analysing the HTML source and HTTP response headers. Its official website is https://umbraco.com.

How can I tell if a website uses Umbraco?

Enter any URL into Tech Stack Detector and it reports whether Umbraco is present, with a confidence score and the exact evidence it matched. Detection is based on the HTML source and HTTP response headers. No login or crawling of the site is required.

What does detecting Umbraco imply?

When Umbraco is detected, Tech Stack Detector also infers ASP.NET, because Umbraco is built on top of it.

What are some alternatives to Umbraco?

Other CMS technologies Tech Stack Detector detects include WordPress, Webflow, Drupal, Adobe Experience Manager, Framer and Contentful. You can compare any of them side by side with Umbraco.

Data last updated October 20, 2026 · based on 618 recently scanned websites.