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
1237 websites
Websites using core-js
Last 30 days uptimeⓘ
99.935%
41
Performance
86
Accessibility
84
Best Practices
90
SEO
core-js friendly technologies
jQuery
Google Analytics
Webpack
Cloudflare
Facebook Pixel
Open Graph
HSTS
Google Font API
Google Tag Manager
PHP
Who uses core-js?
Monthly visits
11.4k
Top country
United States
Page load time
3.71s
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