🆚 Core-js vs. ES6 Shim

Compare technologies based on real-world usage data *

Type

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.

Provides compatibility shims so that legacy JavaScript engines behave as closely as possible to ECMAScript 6 (Harmony).

Website

Pricing

Free ✔️Open source
Free ✔️Open source

Categories

JavaScript Libraries › Rank #51
JavaScript Libraries › Rank #254
Legacy › Rank #64

Popularity

Determined by the number of sites using each technology.

The Core-js JavaScript library is 68 times more popular than ES6 Shim.
Total websites

Market share

JavaScript Libraries

Popularity by country

Determined by the number of sites detected from each country.

Core-js is more popular than ES6 Shim in all countries.
United States
United Kingdom
Japan
Germany
Canada
Brazil
Australia
France
India
Switzerland

Awards

Popularity by domain category

Determined by the number of sites in each category.

Core-js is more popular than ES6 Shim in all market segments.
Business
Marketing/Merchandising
Blogs/Wiki
Education/Reference
Entertainment
Online Shopping
Travel
Sports
Non-Profit/Advocacy/NGO
Motor Vehicles

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#123
#1,184
#1,300
View more ➝
Name
Rank
#8,872
View more ➝

See also

* 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.

Statistics were last calculated on .
For details, see our methodology and disclaimer.