core-js core-js

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

Get in touch with core-js customers

Get a list of 28,456,723 websites using core-js which includes location information, hosting data, contact details, social media accounts, and more.

Metrics

Key metrics and data insights about core-js usage, top websites, and alternatives in the JavaScript libraries ecosystem.

Countries

Germany: 10.4%
United States: 8.78%
United Kingdom: 8.16%
Brazil: 5.6%
France: 5.13%

Languages

EN: 57.97%
DE: 6.13%
ES: 5.92%
FR: 5.36%
PT: 3.69%

Hosts

wix com inc: 12.15%
Cloudflare, Inc.: 8.13%
Google LLC: 5.05%
Unified Layer: 2.87%
GoDaddy.com, LLC: 2.76%

Reports

Pre-built reports and custom data exports to help you identify core-js customers, analyze market trends, and generate targeted lead lists.

Apps

Explore our apps and integrations that make technology detection easy and accessible.
IntelBee API
{
"domain": "example.com",
"technologies": [
{
"name": "React",
"category": "JavaScript Framework",
"confidence": 95
},
{
"name": "Cloudflare",
"category": "CDN",
"confidence": 100
}
]
}

Developer API

Integrate our technology intelligence directly into your applications with our robust RESTful API. Built for scale with enterprise-grade reliability.
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Rate limiting up to 10,000 requests/hour
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