Codex

Wikimedia Foundation, San Francisco, California, United States

Codex is the official design system for Wikimedia that provides a unified toolkit and guidelines for user interface design.

It includes design tokens for consistent styling, a library of UI components built for accessibility and internationalization, a set of icons with language and directionality variants, and supports Vue-based and CSS-only implementations.

According to our data, Codex is the 5th most popular design system on the web.
It has 1.8% of the design system market share and is detected on 0.01% of all websites.

📊 Rankings and Market Share

🏆 Codex Awards

⚡ Sites Using Codex

We have data on 390 websites that use the Codex design system. Here is a list of some of the top ranked ones.

The highest rated site using Codex is wikipedia.org.

#WebsiteRankCountryLanguage
1 wikipedia.org #11 United States English
2 en.wikipedia.org United States English
3 es.wikipedia.org United States Spanish
4 wikisource.org #1,317 United States English
5 commons.wikimedia.org United States English
6 mediawiki.org #2,098 United States English
7 runescape.wiki #2,112 United States British English
8 upload.wikimedia.org United States English
9 wikidata.org #2,908 United States English
10 de.wikipedia.org United States German
11 ja.wikipedia.org United States Japanese
12 fr.wikipedia.org United States French
13 minecraft.wiki #6,019 United Kingdom English
14 zh.wikipedia.org United States Chinese
15 wikidex.net #10,356 Spain Spanish
16 bg3.wiki #10,366 Germany English
17 novaposhta.ua #11,526 Ukraine Ukrainian
18 it.wikipedia.org United States Italian
19 pl.wikipedia.org United States Polish
20 pokemoncentral.it #18,027 Italy Italian

📈 Usage Statistics

Most of the sites that use Codex:

Most of the sites using Codex are from the United States, Germany, and the United Kingdom.

  • United States 38.5%
  • Germany 15.1%
  • United Kingdom 5.6%
  • France 5.3%
  • Russia 4.6%
  • Japan 2.6%
  • Netherlands 2.6%
  • Canada 2.3%
  • Finland 2.3%
  • Other 21.1%

Most Codex users speak English or German.

  • English 67.2%
  • German 7.7%
  • Russian 2.8%
  • French 2.3%
  • Japanese 2.1%
  • Chinese 2.1%
  • Spanish 1.5%
  • Italian 1%
  • Dutch 1%
  • Other 12.3%

The Codex design system is especially popular on .org, .com, and .wiki top-level domains.

  • .org 36.7%
  • .com 20.5%
  • .wiki 8.2%
  • .net 6.2%
  • .de 4.4%
  • .info 3.3%
  • .ru 2.6%
  • .fi 1%
  • .fr 0.8%
  • Other 16.3%

The primary market segments for websites utilizing Codex include blogs and wiki, education and reference, and games.

  • Blogs/Wiki 46.7%
  • Education/Reference 11.4%
  • Games 11.4%
  • Internet Services 4.8%
  • Entertainment 3.8%
  • Business 1.9%
  • Online Shopping 1.9%
  • Health 1.9%
  • Technical/Business Forums 1.9%
  • Other 14.3%

🕵️ Similar Technologies

These are some of the best Codex alternatives.

RankName
1
Material Design
Mountain View, California, United States

A design system developed by Google that defines a unified visual and interaction language used across Android, web, and other platforms.
3
USWDS
Washington, D.C., United States

The United States Web Design System helps the federal government build fast, accessible, mobile-friendly websites.

FreeOpen source
4
Italia Design System
Rome, Italy

A set of principles and guidelines for the design of websites and digital services for the Italian public administration.

FreeOpen source
6
Fluent
Redmond, Washington, United States

Design System is Microsoft's cross-platform design language that defines how user interfaces should look and behave across Windows, web, and mobile applications.
7
GOV.UK Design System
London, United Kingdom

A set of styles, components and patterns to help teams across UK government create user-centered digital services.

FreeOpen source

🆚 Compare Alternatives

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💬 Frequently Asked Questions

What is the company behind Codex?

Codex is owned by Wikimedia Foundation, Inc., headquartered in San Francisco, California, United States.

Which country uses Codex the most?

The majority of Codex users are from the United States.

Who uses Codex?

According to our data, Codex is used on hundreds of sites, including wikipedia.org, en.wikipedia.org, and es.wikipedia.org.

How does Codex stack up against the competition?

Codex is a moderately popular design system, ranking ahead of 9 other design systems we track.

What are the alternatives to Codex?

Alternatives and possible competitors to Codex may include Material Design, USWDS, and Italia Design System.

👉 See Also

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