🆚 Polyfill vs. Slick
- 📈 Polyfill is slightly more popular than Slick.
- 🌎 Polyfill is more popular in the United States, the United Kingdom, and Germany.
- 🌍 Slick is more popular in Japan, India, and Ukraine.
Statistics based on 3.4M+ analyzed websites. About this data
Polyfill
SlickType
JavaScript library
JavaScript library
About
Polyfill.io is an open-source 
JavaScript library that provides modern web API features to older browsers that do not natively support them.
After a supply chain attack in 2024 involving its cdn.polyfill.io domain, the service was discontinued and is now safely mirrored and maintained by 
Cloudflare under independent management.
Slick is an open-source, fully responsive and accessible carousel library.
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The Polyfill JavaScript library is 1.2 times more popular than Slick.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Polyfill is more popular in the United States, the United Kingdom, and Germany, while Slick is more popular in Japan, India, and Ukraine.
United States
Japan
United Kingdom
Germany
Russia
France
Spain
Italy
Australia
India
Awards
- 🥈 Second most popular in Russia in the JavaScript Libraries category.
- 🥈 Second most popular in Belarus in the JavaScript Libraries category.
- 🥈 Second most popular in Jamaica in the JavaScript Libraries category.
- 🥈 Second most popular in Curacao in the JavaScript Libraries category.
- 🥈 Second most popular in the Turks and Caicos Islands in the JavaScript Libraries category.
- 🥇 Most popular in Japan in the Sliders category.
- 🥇 Most popular in the Faroe Islands in the Sliders category.
- 🥇 Most popular in Gibraltar in the Sliders category.
- 🥇 Most popular in Botswana in the Sliders category.
- 🥈 Second most popular in the United States in the Sliders category.
Popularity by domain category
Determined by the number of sites in each category.
Polyfill is more popular among sites focused on business, marketing and merchandising, and online shopping, while Slick is more commonly used on education and reference, software and hardware, and sports sites.
Business
Marketing/Merchandising
Online Shopping
Education/Reference
Blogs/Wiki
Internet Services
Travel
Health
Entertainment
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Regenerator
Core-js
Fastly Polyfill
Babel
Swiper
Owl Carousel🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,431,368 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.