🆚 date-fns vs. Polyfill
- 📈 Polyfill is much more popular than date-fns.
- 🌍 Polyfill is more popular in all countries.
Statistics based on 3.6M+ analyzed websites. About this data
PolyfillType
JavaScript library
JavaScript library
About
date-fns provides the most comprehensive set of over 200 functions for manipulating dates in 
JavaScript.
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.
Pricing
Free ✔️ Open source
Free ✔️ Open source
Categories
JavaScript Libraries › Rank #248
JavaScript Libraries › Rank #4
Popularity
Determined by the number of sites using each technology.
The Polyfill JavaScript library is 585 times more popular than date-fns.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Polyfill is more popular than date-fns in all countries.
United States
United Kingdom
Russia
Japan
Spain
Germany
Italy
France
Australia
Netherlands
Awards
- ⬆️ 229th most popular in the United States in the JavaScript Libraries 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.
- 🥉 Third most popular in the Netherlands in the JavaScript Libraries category.
- 🥉 Third most popular in Switzerland in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Polyfill is more popular than date-fns in all market segments.
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.
jQuery
Modernizr
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 3,604,716 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.