core-js
What is core-js?
core-js belongs to JavaScript libraries category.
core-js is a modular standard library for JavaScript that provides polyfills for ECMAScript up to 2023. It allows developers to use the latest JavaScript features across different environments and browsers, ensuring consistent behavior. core-js is highly configurable, letting developers include only the features they...
core-js Performance Insights
180 websites
Websites using core-js
Last 30 days uptimeⓘ
99.592%
43
Performance
84
Accessibility
88
Best Practices
90
SEO
core-js friendly technologies
jQuery
Google Analytics
Google Font API
YUI
Squarespace Commer...
Cloudflare
Modernizr
Lodash
Squarespace
Google Tag Manager
Who uses core-js?
Monthly visits
4.1k
Top country
United States
Page load time
3.52s
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