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Technology · JavaScript libraries

core-js

core-js is one of 232 technologies we detect in JavaScript libraries.

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detected by AwesomeTechStack auditsgithub.com

About core-js

core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.

How many people use core-js

GitHub · npm
  1. #23NProgress26k
  2. #24Select226k
  3. #25Modernizr26k
  4. #26core-js26k
  5. #27Howler.js25k
  6. #28PhotoSwipe25k
  7. #29Highlight.js25k

286M npm downloads, last 30 days

GitHubnpmIssues

#26 of 198 JavaScript libraries we have counts for (of 232) · bars are GitHub stars across these neighbours; the category leader is Axios at 109k · as of August 30, 2026

Compare

core-js

#26 of 198 JavaScript libraries

stars26k
downloads / 30d286M
Modernizr

#25 of 198 JavaScript libraries

stars26k
downloads / 30d249k

The two numbers disagree - one leads on stars, the other on installs. Stars measure attention, downloads measure use.

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How we audit core-js

We measure the detected version against core-js's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.

How the score works

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Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.