Prefix-free
A legacy script that adds browser prefixes to CSS code when needed for old browsers.
According to our data, Prefix-free ranks 188th among the JavaScript libraries we track.
It has 0.08% of the JavaScript library market share and is detected on 0.06% of all websites.
- 🏠 Website
- </> Source code
💸 Pricing
Prefix-free is available for free.
📊 Rankings and Market Share
- JavaScript Libraries
- Rank: 188
- Market share: 0.08%
- Legacy
- Rank: 39
- Market share: 0.3%
🏆 Prefix-Free Awards
- 🔥 14th most popular in Iran in the Legacy category.
- 🔥 15th most popular in Korea in the Legacy category.
- 🔥 16th most popular in China in the Legacy category.
- ⬆️ 24th most popular in Hong Kong in the Legacy category.
- ⬆️ 27th most popular in Switzerland in the Legacy category.
- ⬆️ 27th most popular in Ukraine in the Legacy category.
- ⬆️ 27th most popular in Argentina in the Legacy category.
- ⬆️ 30th most popular in Russia in the Legacy category.
- ⬆️ 31st most popular in Japan in the Legacy category.
- ⬆️ 31st most popular in India in the Legacy category.
⚡ Sites Using Prefix-Free
We have data on 1,921 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 mofa.go.kr.
| # | Website | Rank | Country | Language |
|---|---|---|---|---|
| 1 | #8,234 | Korea | Korean | |
| 2 | #11,005 | Canada | Canadian French | |
| 3 | #17,439 | Chile | Spanish | |
| 4 | #24,918 | China | Chinese | |
| 5 | #26,221 | India | English | |
| 6 | #29,943 | Brazil | Brazilian Portuguese | |
| 7 | #31,680 | Japan | Japanese | |
| 8 | #39,761 | English | ||
| 9 | #44,209 | Spanish | ||
| 10 | #54,631 | United States | American English | |
| 11 | #56,760 | United States | English | |
| 12 | #56,789 | Argentina | Spanish | |
| 13 | #60,494 | Tunisia | French | |
| 14 | #62,591 | United States | English | |
| 15 | #66,804 | Thailand | Thai | |
| 16 | #70,579 | Korea | Korean | |
| 17 | #72,655 | United States | Spanish | |
| 18 | #79,490 | United States | English | |
| 19 | #81,521 | Russia | Russian | |
| 20 | #87,913 | Russia | Russian |
📈 Usage Statistics
Most of the sites that use Prefix-free:
- are located in the United States
- have content in English
- use the .com domain extension
- fall into the Business category.
Most of the sites using Prefix-free are from the United States, the United Kingdom, and China.
- United States 16.3%
- United Kingdom 7.8%
- China 5.8%
- Korea 5.1%
- Germany 4.9%
- Japan 4.9%
- India 3.6%
- Canada 3.5%
- Iran 3.3%
- Other 44.8%
Most Prefix-free users speak English, Chinese, or German.
- English 45.9%
- Chinese 6.8%
- German 5.6%
- Spanish 5.2%
- Russian 4.5%
- Japanese 4.4%
- Korean 4.4%
- Persian 4.4%
- Portuguese 3.3%
- Other 15.5%
The Prefix-free JavaScript library is especially popular on .com and .org top-level domains.
- .com 44.9%
- .org 5.6%
- .de 3.5%
- .co.uk 2.6%
- .ru 2.5%
- .net 2.4%
- .ir 1.9%
- .ch 1.8%
- .com.br 1.7%
- Other 33.1%
The primary market segments for websites utilizing Prefix-free include business, marketing and merchandising, and education and reference.
- Business 22%
- Marketing/Merchandising 11.8%
- Education/Reference 6.7%
- Online Shopping 6.4%
- Internet Services 5.9%
- Travel 5.6%
- Entertainment 4.6%
- Blogs/Wiki 4.6%
- Software/Hardware 2.9%
- Other 29.5%
🔢 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.
🆚 Compare Alternatives
Compare Prefix-free to…
- 🕵️ Similar libraries
- ⭐ Market leaders
- 💡 Featured alternatives
- 🔎 All options
jQuery
Swiper
Google URL Shortener💬 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 over a thousand sites, including such established ones as mofa.go.kr,
uqam.ca, and
sence.gob.cl.
Do academic institutions use Prefix-free?
Yes. The most prominent of these is utesa.edu. 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.