⚡ Programming Languages in the Czech Republic

Programming languages are computer languages composed of instructions, syntax, and rules used by developers to create software such as applications and websites.

The Czech Republic is a Central European country with a population of around 10.5 million people.

According to our research, programming languages are detected on 84.8% of websites from the Czech Republic.

⭐ Most Popular in 2026

The following chart shows the top programming languages on websites in the Czech Republic in 2026, based on market share.

The most popular is JavaScript with an impressive share of 87.6%, followed by PHP with 75.8% and C# with 7.2%.

JavaScript 87.6%
PHP 75.8%
C# 7.2%
Lua 5.2%
ASP 1.5%
Java 1.1%
Ruby 0.8%
TypeScript 0.6%
Python 0.5%
Scala 0.4%
Perl 0.1%
Go 0.1%
Erlang 0.03%
CFML 0.01%
CoffeeScript 0.01%

🚀 Highlights

Here is a list of the top languages that are more popular in the Czech Republic than worldwide.
Differences between global and country rankings are shown in parentheses.

5. ASP ^(-2)
9. Python ^(-1)
11. Perl ^(-2)
13. Erlang ^(-1)
15. CoffeeScript ^(-1)
18. Hack ^(-3)

✨ Best Programming Languages

Below is a more detailed list of 18 programming languages used on sites from the Czech Republic, ranked by their market share.

Rank	Name	Market share
1	JavaScript Austin, Texas, United States An interpreted programming language and a core technology of the web, alongside HTML and CSS, used to add interactivity and logic to websites and web applications.	87.6%
2	PHP A widely used free server-side scripting language designed for building dynamic web applications and powering content-driven websites.	75.8%
3	C# Redmond, Washington, United States A high-level, statically typed, object-oriented programming language developed for the .NET platform.	7.2%
4	Lua Rio de Janeiro, Brazil A lightweight scripting language designed primarily for embedded use in applications.	5.2%
5	ASP Redmond, Washington, United States A server-side scripting language and dynamic web page engine. FreeLegacy	1.5%
6	Java Austin, Texas, United States A multi-platform, object-oriented programming language first released by Sun Microsystems in 1995.	1.1%
7	Ruby An interpreted, object-oriented, open-source programming language often used for web development.	0.8%
8	TypeScript Redmond, Washington, United States A high-level programming language developed by Microsoft that adds static typing to JavaScript.	0.6%
9	Python Wilmington, Delaware, United States A high-level, scripting, dynamically typed programming language that is particularly popular in data processing and machine learning.	0.5%
10	Scala Lausanne, Switzerland An object-oriented programming language designed to improve and address the limitations of Java.	0.4%
11	Perl A high-level, scripting, dynamically typed programming language.	0.1%
12	Go Mountain View, California, United States A high-level, statically typed, compiled programming language developed at Google.	0.1%
13	Erlang Stockholm, Sweden A high-level functional programming language.	0.03%
14	CFML San Jose, California, United States A scripting language for web development, usually associated with Adobe ColdFusion.	0.01%
15	CoffeeScript A Ruby- and Python-inspired programming language that compiles to JavaScript.	0.01%
16	Elixir A dynamic, functional language that compiles to bytecode for the Erlang VM.	0.003%
17	Dart Mountain View, California, United States An object-oriented, class-based, garbage-collected language developed by Google.	0.003%
18	Hack Menlo Park, California, United States A PHP-based programming language for the HHVM virtual machine developed by Meta.	0.003%

👉 See Also

🌎 Programming Languages in other countries

Data is based on the analysis of 36,163 websites from the Czech Republic.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.