React is an open-source JavaScript library for building user interfaces or UI components.
Get all 300,829 companies using React
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Companies
300,829
Top Country
US
Top Industry
—
Adoption Insights
React is used by 300,829 companies in our database, representing approximately 10.16% of all tracked websites. The adoption is strongest in US.
Top Countries Using React
Companies Using React
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 CoreWeave | coreweave.com | US | AI Infrastructure | 1001-5000 |
 OpenAI | openai.com | US | Agentic AI | 1001-5000 |
 ElevenLabs | elevenlabs.io | US | Artificial Intelligence (AI) | 251-500 |
 Polymarket | polymarket.com | US | Cryptocurrency | 11-50 |
 Harvey | harvey.ai | US | Artificial Intelligence (AI) | 251-500 |
 Spring Health | springhealth.com | US | Artificial Intelligence (AI) | 1001-5000 |
 Serve Robotics | serverobotics.com | US | Artificial Intelligence (AI) | 101-250 |
 Beast Industries | mrbeastjobs.com | US | Content Creators | 251-500 |
 Replit | replit.com | US | Artificial Intelligence (AI) | 101-250 |
 NVIDIA | nvidia.com | US | AI Infrastructure | 10001+ |
Top Alternatives to React
Other JavaScript frameworks technologies sorted by adoption
How We Detect React
The Web Radar detects React by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →
Frequently Asked Questions
What is React?+
React is an open-source JavaScript library for building user interfaces or UI components.
How many companies use React?+
300,829 companies in our database use React, representing approximately 10.16% of all tracked websites.
What countries use React the most?+
The top countries using React are US, GB, CA.
Is React popular?+
React is used by 300,829 companies, making it one of the most widely adopted JavaScript frameworks technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: July 2026