C1 CMS Usage Statistics

Websites using C1 CMS

Download Lead List

Get a list of 5,429 websites using C1 CMS which includes location information, hosting data, contact details, 3,371 currently live websites and 2,058 sites that used this technology previously.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
1 of 10,000


Quantcast Top 100k
7 of 100,000


BuiltWith Top Million
44 of 970,256


Entire Internet
3,371 of 377,445,943


Log in or Sign up for Free to see C1 CMS history back another year to June 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 161
DNN Software 30

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 5,429 websites that have used C1 CMS. We know of 3,371 live websites using C1 CMS and an additional 2,058 sites that used C1 CMS historically

View Website List

Get a list of websites using C1 CMS

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Open Source


119 websites


4,222 websites


4,060 websites

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