Technologies / CMS

Umbraco logo

Umbraco

Umbraco is an open-source content management system built on Microsoft .NET, developed by Umbraco HQ in Denmark together with a large community. It is used for corporate, public sector and ecommerce websites that need flexible content structures and integration with Microsoft technologies. The CMS is free under the MIT licence, with paid Umbraco Cloud hosting, support plans and commercial add-ons. A list of Umbraco sites is useful for .NET and Umbraco agencies, Azure hosting providers and competing CMS vendors.

Umbraco is the platform behind 28,616 websites, which is 0.1% of all CMS detections we record. Websites built on Umbraco are most often served from United States (5,844), Netherlands (3,908) and United Kingdom (2,689), and .com, .nl and .dk are the most common domain endings. The most common versions are 4.7 (497 sites) and 7 (109).

Websites using Umbraco

Preview filters with coarse ranges. Exact ranks and registration dates are available in the dashboard when you download a list.

28,616 websites. Sign in to download the full list (free sample below, full lists from $69/mo)

25 days ago 1 websites used Umbraco; today it is 28,616 (+2861500%).

Top countries for Umbraco

United States
5.8K
Netherlands
3.9K
United Kingdom
2.7K
Denmark
1.3K
Sweden
1.1K
Germany
864
Ireland
838
Australia
422

Top TLDs

.com
10.3K
.nl
2.5K
.dk
2.3K
.uk
2.2K
.org
1.5K
.se
1.5K
.net
1K
.de
556

Umbraco versions in use

4.7
497
7
109
4.6
29
4.8
17

Sample of 15 websites using Umbraco

best-ranked first; the full list has 28,616
DomainCountryMajestic rankNetAPI rankContactsFirst seen
iskur.gov.tr TR 39,709 4,212 phone 2026-10-12
flyfrontier.com DE 13,401 16,457 2026-10-14
facs.org US 8,657 17,186 2026-10-10
seti.org - 8,502 17,215 phone 2026-10-11
atgtickets.com - 14,361 17,507 phone 2026-10-15
royalkennelclub.com US 19,300 20,257 email phone 2026-10-10
bma.org.uk - 12,279 22,239 2026-10-13
volotea.com US 27,480 22,509 phone 2026-10-16
youngminds.org.uk - 12,011 22,520 email phone 2026-10-11
rcog.org.uk GB 12,810 22,963 phone 2026-10-10
deepsilver.com - 16,923 27,423 email 2026-10-10
iwf.org.uk - 16,507 29,552 phone 2026-10-13
southafrica.net GB 17,899 30,325 2026-10-08
nrscotland.gov.uk - 17,405 30,523 2026-10-12
entitledto.co.uk - 73,962 31,545 2026-10-12

Alternatives to Umbraco in CMS

All CMS technologies

Often used together with Umbraco

Questions about Umbraco websites

How many websites are built on Umbraco?

As of November 2, 2026, 28,616 websites are built on Umbraco. The number is recalculated every night from our own crawl of the web, so it follows real launches and migrations.

Who buys lists of Umbraco websites?

Agencies and freelancers who build, maintain or migrate Umbraco sites, vendors of plugins, themes and hosting for Umbraco, and anyone selling a tool that integrates with it: every website on the list is a business that has already chosen the platform and keeps paying to run it.

Where are Umbraco websites hosted?

United States leads with 5,844 websites, followed by Netherlands (3,908) and United Kingdom (2,689). The country is where the website is served from; sites on a hosted platform show the platform's country.

How do I find websites that recently moved to Umbraco?

The New tab on this page lists websites where our crawler saw Umbraco for the first time in the last days, newest first: new launches and migrations from other platforms. The Dropped tab shows websites that moved away from Umbraco. Both lists download with a subscription and are refreshed every morning.

How do I get a list of Umbraco websites?

A free BetaScan account downloads a {sample_rows}-row sample. A subscription from $69 a month gives the full list of 28,616 domains, or a dataset with emails, phones, country, hosting and ranks, filtered by country, TLD, rank and registration date. The lists of websites that recently moved to or away from Umbraco are included. See pricing.

How does BetaScan detect Umbraco?

Our crawler fetches the homepage of every domain we track and matches the page and its response headers against the signatures of 7,636 technologies. A website counts as using Umbraco when its latest crawl shows the signature; when the signature disappears, the site moves to the dropped list.