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 39th 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 4M+ 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 326 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 gist.github.com.

#WebsiteRankCountryLanguage
1 gist.github.com United States English
2 nationalpost.com #2,748 Canada English
3 work.ua #3,112 Ukraine Ukrainian
4 torontosun.com #7,895 Canada English
5 mangahub.ru #11,113 Russia Russian
6 calgaryherald.com #11,913 Canada English
7 cartier.com #12,117 United States American English
8 ottawacitizen.com #12,927 Canada English
9 canada.com #14,328 Canada English
10 lausanne.ch #15,201 Switzerland French
11 githubstatus.com #15,684 United States English
12 docs.github.com United States English
13 theprovince.com #23,005 Canada English
14 slotozilla.com #26,000 English
15 mediamart.vn #29,714 Vietnam Vietnamese
16 bankfab.com #32,373 United Arab Emirates English
17 ardene.com #35,988 Canada English
18 vsimpptx.com #47,526 Ukraine Ukrainian
19 thestreamable.com #59,428 English
20 financialpost.com #63,086 Canada English

📈 Usage Statistics

Most of the sites that use Primer CSS:

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

  • United States 22.3%
  • Canada 18.5%
  • India 5.2%
  • Netherlands 4.5%
  • Germany 3.8%
  • Spain 3.5%
  • United Kingdom 3.1%
  • Ukraine 2.8%
  • Serbia 2.4%
  • Other 33.9%

Most Primer CSS users speak English, Dutch, or Spanish.

  • English 66.6%
  • Dutch 3.4%
  • Spanish 3.1%
  • Russian 2.8%
  • German 2.5%
  • French 2.5%
  • Serbian 2.1%
  • Portuguese 1.8%
  • Ukrainian 1.5%
  • Other 13.7%

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

  • .com 53.1%
  • .ca 4.9%
  • .nl 3.1%
  • .org 2.8%
  • .de 2.1%
  • .ru 1.8%
  • .in 1.5%
  • .rs 1.5%
  • .co.uk 1.2%
  • Other 28%

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

  • General News 28.1%
  • Online Shopping 16.7%
  • Marketing/Merchandising 7.3%
  • Fashion/Beauty 6.3%
  • Business 5.2%
  • Finance/Banking 5.2%
  • Sports 4.2%
  • Software/Hardware 4.2%
  • Internet Services 2.1%
  • Other 20.7%

🕵️ 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+
5
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 the United States.

Who uses Primer CSS?

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

How does Primer CSS compare to its competitors?

Primer CSS is a moderately popular UI framework, ranking ahead of 28 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