Prefix-free

A legacy script that adds browser prefixes to CSS code when needed for old browsers.

According to our data, Prefix-free ranks 195th among the JavaScript libraries we track.
It has 0.07% of the JavaScript library market share and is detected on 0.05% of all websites.

Statistics based on 4M+ analyzed websites. About this data

💸 Pricing

Prefix-free is available for free.

Free ✔️ Open source

📊 Rankings and Market Share

🏆 Prefix-Free Awards

⚡ Sites Using Prefix-Free

We have data on 2,051 websites that use the Prefix-free JavaScript library. Here is a list of some of the top ranked ones.

The highest rated site using Prefix-free is uqam.ca.

#WebsiteRankCountryLanguage
1 uqam.ca #12,710 Canada Canadian French
2 sence.gob.cl #16,605 Chile Spanish
3 pixplay.org #18,694 Russia Russian
4 mofa.go.kr #22,060 Korea Korean
5 korean.go.kr #23,386 Korea Korean
6 fukuri.jp #24,055 Japan Japanese
7 xiaoman.cn #26,020 China Chinese
8 govtschemes.in #32,827 India English
9 dotpe.in #35,890 India English
10 audioz.download #38,996 English
11 miami-airport.com #54,821 United States English
12 jea.com #60,287 United States English
13 streamon.fm #63,641 United States English
14 alfamaoraculo.com.br #64,126 Brazil Brazilian Portuguese
15 cordial.com #69,558 United States American English
16 utesa.edu #74,047 Dominican Republic Spanish
17 axoft.com #77,380 Argentina Spanish
18 pgu.ac.ir #78,975 Iran Persian
19 gnet.tn #79,741 Tunisia French
20 koyfin.com #79,901 American English

📈 Usage Statistics

Most of the sites that use Prefix-free:

Most of the sites using Prefix-free are from the United States, Japan, and Korea.

  • United States 15.9%
  • Japan 5.9%
  • Korea 5.6%
  • China 5.4%
  • Germany 5.1%
  • United Kingdom 4.8%
  • Russia 4.2%
  • Canada 4.1%
  • India 3.8%
  • Other 45.2%

Most Prefix-free users speak English, Spanish, or Chinese.

  • English 43.5%
  • Spanish 6.4%
  • Chinese 6.2%
  • German 5.6%
  • Japanese 5.4%
  • Korean 4.9%
  • Russian 4.5%
  • Persian 3.7%
  • Portuguese 3.7%
  • Other 16.1%

The Prefix-free JavaScript library is especially popular on .com and .org top-level domains.

  • .com 42%
  • .org 5.8%
  • .de 3.6%
  • .ru 3%
  • .net 2.9%
  • .ca 1.8%
  • .co.uk 1.7%
  • .jp 1.7%
  • .fr 1.6%
  • Other 35.9%

The primary market segments for websites utilizing Prefix-free include business, marketing and merchandising, and education and reference.

  • Business 18.1%
  • Marketing/Merchandising 12.4%
  • Education/Reference 7.8%
  • Online Shopping 6.2%
  • Travel 6%
  • Internet Services 5.4%
  • Blogs/Wiki 5.2%
  • Entertainment 4.4%
  • Real Estate 2.6%
  • Other 31.9%

🔢 Prefix-Free Versions

The most popular version of Prefix-Free is 1.0, used by 12% of sites.

  • 1.0 12%
  • Unknown 88%

🕵️ Similar Technologies

These are some of the best Prefix-free alternatives.

RankName
82
Less.js
Switzerland

A JavaScript library that converts Less styles to CSS styles.

FreeOpen source
90
Emotion
United States

An open-source CSS-in-JS library for writing and managing styles with JavaScript and TypeScript that can be used both with React and in a framework-agnostic way.

FreeOpen source
132
Enquire.js

A lightweight, pure JavaScript library for responding to CSS media queries.

FreeOpen source
137
css-vars-ponyfill

Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers.

FreeOpen source
158
StyleX
Menlo Park, California, United States

An open-source styling system and CSS-in-JS library developed by Meta for building and maintaining large-scale web applications.

FreeOpen source

🆚 Compare Alternatives

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💬 Frequently Asked Questions

Can I use Prefix-free for free?

Yes, it is a free JavaScript library.
Moreover, it is an open-source solution, and you can find its source code on GitHub.

Which country uses Prefix-free the most?

The majority of Prefix-free users are from the United States.

Who uses Prefix-free?

According to our data, Prefix-free is used on thousands of sites, including such established ones as uqam.ca, sence.gob.cl, and pixplay.org.

Do academic institutions use Prefix-free?

Yes. The most prominent of these are utesa.edu and pgu.ac.ir. Overall, we know of 7 academic websites in the United States that use Prefix-free.

How does Prefix-free compare to its competitors?

Prefix-free is a moderately popular JavaScript library, ranking ahead of 122 other JavaScript libraries we track.

What are the alternatives to Prefix-free?

Alternatives and possible competitors to Prefix-free may include css-vars-ponyfill, Less.js, and Emotion.

🗃️ About This Data