Primer CSS

GitHub, San Francisco, California, United States

Primer CSS is an open-source CSS framework systematically designed for and by GitHub.

According to our data, Primer CSS ranks 37th among the user interface frameworks we track.
It has 0.02% of the UI framework market share and is present on 0.008% of all websites.

Statistics based on 3.5M+ analyzed websites. About this data

💸 Pricing

Primer CSS is available for free.

Free ✔️Open source

📊 Rankings and Market Share

🏆 Primer CSS Awards

⚡ Sites Built With Primer CSS

We have data on 284 websites that use the Primer CSS UI framework. Here is a list of some of the top ranked ones.

The highest rated site using Primer CSS is github.com.

#WebsiteRankCountryLanguage
1 github.com #13 United States English
2 gist.github.com United States English
3 work.ua #2,172 Ukraine Ukrainian
4 torontosun.com #5,509 Canada English
5 nationalpost.com #6,663 Canada English
6 converse.com #7,342 United States English
7 financialpost.com #8,724 Canada English
8 cartier.com #14,583 Switzerland American English
9 canada.com #14,766 Canada English
10 ottawacitizen.com #15,377 Canada English
11 thereformation.com #16,737 United States English
12 theprovince.com #17,693 Canada English
13 docs.github.com United States English
14 bankfab.com #20,083 United Arab Emirates English
15 ardene.com #34,514 Canada English
16 mediamart.vn #37,173 Vietnam Vietnamese
17 mangahub.ru #46,557 Russia Russian
18 vsimpptx.com #47,075 Ukraine Ukrainian
19 thesudburystar.com #50,379 Canada English
20 githubstatus.com #52,791 United States English

📈 Usage Statistics

Most of the sites that use Primer CSS:

Most of the sites using Primer CSS are from Canada, the United States, and India.

  • Canada 19.8%
  • United States 19.4%
  • India 5.8%
  • Germany 4.5%
  • Netherlands 3.7%
  • Italy 3.3%
  • United Kingdom 3.3%
  • Spain 2.9%
  • Ukraine 2.9%
  • Other 34.4%

Most Primer CSS users speak English or Spanish.

  • English 67.1%
  • Spanish 3.2%
  • German 2.8%
  • French 2.5%
  • Dutch 2.5%
  • Russian 2.1%
  • Portuguese 2.1%
  • Chinese 1.8%
  • Serbian 1.8%
  • Other 14.1%

The Primer CSS UI framework is especially popular on .com and .ca top-level domains.

  • .com 54.2%
  • .ca 5.3%
  • .org 3.2%
  • .de 2.5%
  • .co.uk 1.4%
  • .com.br 1.4%
  • .ua 1.1%
  • .hu 1.1%
  • .vn 1.1%
  • Other 28.7%

The primary market segments for websites utilizing Primer CSS include general news, online shopping, and marketing and merchandising.

  • General News 29.2%
  • Online Shopping 19.1%
  • Marketing/Merchandising 7.9%
  • Fashion/Beauty 7.9%
  • Finance/Banking 5.6%
  • Sports 4.5%
  • Software/Hardware 3.4%
  • Health 2.2%
  • Blogs/Wiki 2.2%
  • Other 18%

🕵️ Similar Technologies

These are some of the best Primer CSS alternatives.

RankName
1
Bootstrap
San Francisco, California, United States

An open-source framework for building responsive, mobile-first websites and web applications with HTML, CSS, and JavaScript, originally developed at Twitter.

FreeOpen source
3
Tailwind CSS
Kitchener, Ontario, Canada

An open-source utility-first framework that provides low-level CSS classes for building user interfaces directly in markup.

FreeOpen source$149+
4
Foundation
Campbell, California, United States

An open-source responsive framework that provides a customizable grid system, a library of UI components, HTML templates, and JavaScript plugins.

FreeOpen source
6
UIKit
Hamburg, Germany

A lightweight and modular front-end framework.

FreeOpen source
7
Bulma
London, United Kingdom

An open-source modular CSS framework based on Flexbox.

FreeOpen source

🆚 Compare Alternatives

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💬 Frequently Asked Questions

What is the company behind Primer CSS?

Primer CSS is owned by GitHub, Inc., headquartered in San Francisco, California, United States.

Can I use Primer CSS for free?

Yes, it is a free UI framework.
It is also open source, and its code is available on GitHub.

Which country uses Primer CSS the most?

The majority of Primer CSS users are from Canada.

Who uses Primer CSS?

According to our data, Primer CSS is used on hundreds of sites, including github.com, gist.github.com, and work.ua.

How does Primer CSS compare to its competitors?

Primer CSS is a moderately popular UI framework, ranking ahead of 27 other user interface frameworks we track.

What are the alternatives to Primer CSS?

Alternatives and possible competitors to Primer CSS may include Bootstrap, Tailwind CSS, and Foundation.

👉 See Also

🗃️ About This Data