🆚 Contao vs. K2
- 📈 Contao is noticeably more popular than K2.
- 🌍 Contao is more popular in Germany, Austria, and Switzerland.
- 🌍 K2 is more popular in Italy, Russia, and Greece.
Contao
K2Type
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 extends the default article system with a structured content framework.
It provides extended item forms with fields for images, videos, galleries, and file attachments, nested categories, tagging, comments with spam filtering, a built-in media manager, and automatic resizing of uploaded images into six configurable sizes.
Headquarters
Pricing
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- ⭐ 4th most popular in Germany in the CMS category.
- ⭐ 4th most popular in Austria in the CMS category.
- ⭐ 5th most popular in Switzerland in the CMS category.
- ⭐ 4th most popular in Greece in the CMS category.
- ⭐ 4th most popular in Turkey in the CMS category.
- ⭐ 4th most popular in Hungary in the CMS category.
- ⭐ 5th most popular in Italy in the CMS category.
- ⭐ 5th most popular in Spain in the CMS category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,814,833 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.