🆚 Contao vs. K2

Compare technologies based on real-world usage data *

Type

Content management system
Content management system

About

Contao is an open-source content management system built with PHP, Symfony, and MySQL.

It offers advanced editing features, a fine-grained permission system, responsive images, a full-text search engine, a flexible form generator, and built-in SEO tools.

K2 is a Joomla content management extension that replaces and enhances the default article system.

Headquarters

Lyss, Switzerland
Victoria, Mahe, Seychelles

Website

Pricing

Free ✔️Open source
Free ✔️Open source

Categories

CMS › Rank #10
CMS › Rank #11

Popularity

Determined by the number of sites using each technology.

The Contao CMS is 1.2 times more popular than K2.
Total websites

Market share

CMS

Popularity by country

Determined by the number of sites detected from each country.

Contao is more popular in Germany, Austria, and Switzerland, while K2 is more popular in Italy, the United States, and Greece.
Germany
Austria
Switzerland
Italy
United States
Greece
Spain
Russia
France
United Kingdom

Awards

Popularity by domain category

Determined by the number of sites in each category.

Contao is more popular among sites focused on non-profit, advocacy and NGO, public information, and software and hardware, while K2 is more commonly used on business, marketing and merchandising, and education and reference sites.
Business
Marketing/Merchandising
Education/Reference
Travel
Internet Services
Entertainment
Health
Non-Profit/Advocacy/NGO
General News
Public Information

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#13,564
#14,419
#14,638
#28,258
View more ➝
Name
Rank
#9,839
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.