🆚 FlexSlider vs. Polyfill
- 📈 Polyfill is twice as popular as FlexSlider.
- 🌎 Polyfill is more popular in the United States, the United Kingdom, and Germany.
- 🌍 FlexSlider is more popular in China, Taiwan, and Cuba.
Statistics based on 3.3M+ analyzed websites. About this data
PolyfillType
JavaScript library
JavaScript library
About
FlexSlider is a responsive 
jQuery slider created by the 
WooCommerce team and included with WooCommerce.
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.
Headquarters
San Francisco, California, United States
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The Polyfill JavaScript library is 2.1 times more popular than FlexSlider.
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 FlexSlider is more popular in China, Taiwan, and Cuba.
United States
United Kingdom
Germany
Japan
Spain
Italy
Russia
Australia
France
Netherlands
Awards
- 🥈 Second most popular in Gibraltar in the Sliders category.
- 🥉 Third most popular in Sweden in the Sliders category.
- ⭐ 4th most popular in the United States in the Sliders category.
- ⭐ 4th most popular in Germany in the Sliders category.
- ⭐ 4th most popular in the United Kingdom in the Sliders category.
- 🥈 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.
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 FlexSlider is more commonly used on sports, recreation and hobbies, and games 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.
Swiper
Slick
Owl Carousel
Regenerator
Core-js
Fastly Polyfill
Babel🗃️ 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 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.