Closure Library Closure Library

Closure Library is a JavaScript library developed by Google for building robust web applications, offering utilities for DOM manipulation, event handling, data structures, and more.

Get in touch with Closure Library customers

Get a list of 37,781 websites using Closure Library which includes location information, hosting data, contact details, social media accounts, and more.

Metrics

Key metrics and data insights about Closure Library usage, top websites, and alternatives in the JavaScript libraries ecosystem.

Countries

India: 13.29%
Brazil: 8.18%
Netherlands: 6.36%
United States: 5.64%
Indonesia: 4.71%

Languages

EN: 54.02%
ES: 6.21%
JA: 6.18%
PT: 4.23%
FR: 3.87%

Hosts

Google LLC: 17.64%
Cloudflare, Inc.: 15.07%
Amazon Technologies Inc.: 3.43%
Hostinger International Ltd.: 3.43%
Unified Layer: 2.69%

Reports

Pre-built reports and custom data exports to help you identify Closure Library 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.
99.9% uptime SLA
Rate limiting up to 10,000 requests/hour
Real-time webhooks

Try IntelBee

Create a free account and get 50 technology lookups per month included