🆚 Core-js vs. Picturefill
- 📈 Core-js is twice as popular as Picturefill.
- 🌎 Core-js is more popular in the United States, the United Kingdom, and Brazil.
- 🌍 Picturefill is more popular in Japan, Germany, and Spain.
Statistics based on 3.8M+ analyzed websites. About this data
Core-js
PicturefillType
JavaScript library
JavaScript library
About
Core-js is a modular standard library for 
JavaScript that provides polyfills for ECMAScript up to 2024: promises, symbols, collections, iterators, typed arrays, and proposals.
A responsive image polyfill for <picture>, srcset, sizes, and more.
Headquarters
Boston, Massachusetts, United States
Pricing
Free ✔️ Open source
Free ✔️ Open source
Categories
Popularity
Determined by the number of sites using each technology.
The Core-js JavaScript library is 2.1 times more popular than Picturefill.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Core-js is more popular in the United States, the United Kingdom, and Brazil, while Picturefill is more popular in Japan, Germany, and Spain.
United States
Japan
United Kingdom
Germany
Brazil
Canada
France
Australia
Italy
Switzerland
Awards
- ⬆️ 30th most popular in Israel in the JavaScript Libraries category.
- ⬆️ 36th most popular in the Philippines in the JavaScript Libraries category.
- ⬆️ 37th most popular in Hong Kong in the JavaScript Libraries category.
- ⬆️ 38th most popular in Brazil in the JavaScript Libraries category.
- ⬆️ 38th most popular in Mexico in the JavaScript Libraries category.
- ⭐ 7th most popular in Brazil in the Legacy category.
- ⭐ 7th most popular in Switzerland in the Legacy category.
- ⭐ 7th most popular in Estonia in the Legacy category.
- ⭐ 8th most popular in Germany in the Legacy category.
- ⭐ 8th most popular in Austria in the Legacy category.
Popularity by domain category
Determined by the number of sites in each category.
Core-js is more popular among sites focused on business, marketing and merchandising, and blogs and wiki, while Picturefill is more commonly used on education and reference, online shopping, and travel sites.
Business
Marketing/Merchandising
Blogs/Wiki
Education/Reference
Online Shopping
Travel
Entertainment
Sports
Health
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ 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 3,814,833 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.