🆚 css-vars-ponyfill vs. Prefix-free
Compare technologies based on real-world usage data *- 📈 css-vars-ponyfill is twice as popular as Prefix-free.
- 🌎 css-vars-ponyfill is more popular in the United States, the United Kingdom, and Germany.
- 🌍 Prefix-free is more popular in China, Korea, and Turkey.
Prefix-freeType
JavaScript library
JavaScript library
About
Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers.
A legacy script that adds browser prefixes to CSS code when needed for old browsers.
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The css-vars-ponyfill JavaScript library is 2.3 times more popular than Prefix-free.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
css-vars-ponyfill is more popular in the United States, the United Kingdom, and Germany, while Prefix-free is more popular in China, Korea, and Turkey.
United States
United Kingdom
Germany
Japan
Canada
India
Australia
France
Netherlands
Italy
Awards
- ⬆️ 77th most popular in Austria in the JavaScript Libraries category.
- ⬆️ 85th most popular in New Zealand in the JavaScript Libraries category.
- ⬆️ 88th most popular in Finland in the JavaScript Libraries category.
- ⬆️ 100th most popular in Canada in the JavaScript Libraries category.
- ⬆️ 101st most popular in Denmark in the JavaScript Libraries category.
- 🔥 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.
- ⬆️ 25th most popular in Switzerland in the Legacy category.
Popularity by domain category
Determined by the number of sites in each category.
css-vars-ponyfill is more popular among sites focused on online shopping, business, and marketing and merchandising, while Prefix-free is more commonly used on software and hardware, and government and military sites.
Online Shopping
Business
Marketing/Merchandising
General News
Travel
Education/Reference
Fashion/Beauty
Internet Services
Entertainment
Blogs/Wiki
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Emotion
Animsition
Beasties* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.