core-js

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

JavaScript Framework29,794 domainsgithub.com
Stats
Adoption28.0%
Avg confidence100%
30-day trend+29794
Search database

What is core-js?

core-js is a javascript framework technology. core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.. Currently detected on 29,794 websites in the Glympt index.

Official website: github.com.

Recently detected on

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efferd.com
conf 100%
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conf 100%
bahn.de
DE 95%conf 100%
ifeng.com
conf 100%
teepr.com
US 35%conf 100%
livejournal.com
US 35%conf 100%
youdao.com
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triboconcursos.com.br
conf 100%
fiatdz.com
FR 55%conf 100%
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conf 100%

Top countries

AU417BR925DE1149ES809FR1232GB1239IT855NL552SE399US4793

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Frequently used with

Drupal Multisite29026Open Graph25511Google Analytics23968Google Tag Manager22315jQuery19337Cloudflare19322Priority Hints19015Facebook Pixel16196LetsEncrypt15994HTTP/315437

Frequently asked questions

How does Glympt detect core-js?

By scanning headers, HTML, JS globals, meta tags, and cookies. Detection is automated and non-intrusive.

How accurate?

Confidence averages 100% for core-js. ≥70% is highly reliable.

Can I export?

Yes. Pro and Business plans include CSV export with full filtering.

Refresh rate?

Major sites: ~7 days. Smaller domains: ~30 days. Trigger fresh scans from the dashboard.

Is core-js trending?

core-js gained 29794 domains in 30 days.

What is "confidence"?

0–100 score indicating detection certainty. Multiple strong signals = high confidence.