C1 CMS Usage Statistics

Websites using C1 CMS

Download Lead List

Get a list of 4,599 websites using C1 CMS which includes location information, hosting data, contact details, 3,005 currently live websites and 1,594 sites that used this technology previously.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
1 of 10,000


Quantcast Top 100k
6 of 100,000


BuiltWith Top Million
43 of 777,354


Entire Internet
3,005 of 374,435,284


Log in or Sign up for Free to see C1 CMS history back another year to January 2016. View plans for historical access back to February 2011.

C1 CMS is a free open source web content management system based on Microsoft .NET technology. Previously known as COMPOSITE C1.


Categories: Content Management System · Open Source

Technology Won
WordPress 146
DNN Software 29

This table shows where C1 are gaining/losing customers from within the technologies in the same sub-categories of Open Source. View the full report for more information regarding countries, states and where C1 CMS' customers come from.

Physical locations of businesses using C1 CMS.


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

Get access to data on 4,599 websites that have used C1 CMS. We know of 3,005 live websites using C1 CMS and an additional 1,594 sites that used C1 CMS historically

View Website List

Get a list of websites using C1 CMS

Pro Screenshot

Open Source


619 websites


3,410 websites


226 websites

Log in or Sign up for Free to see additional categories and competitors.

Browse groups of technologies that we track.