Cloudflare
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
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Companies
758,570
Top Country
US
Top Industry
Consulting
Adoption Insights
Cloudflare is used by 758,570 companies in our database, representing approximately 25.61% of all tracked websites. The most common industry using Cloudflare is Consulting, and adoption is strongest in US.
Top Countries Using Cloudflare
Top Industries Using Cloudflare
Companies Using Cloudflare
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 Anthropic | anthropic.com | US | Artificial Intelligence (AI) | 1001-5000 |
 CoreWeave | coreweave.com | US | AI Infrastructure | 1001-5000 |
 OpenAI | openai.com | US | Agentic AI | 1001-5000 |
 Perplexity | perplexity.ai | US | Artificial Intelligence (AI) | 251-500 |
 General Catalyst | generalcatalyst.com | US | Finance | 251-500 |
 BitGo | bitgo.com | US | Bitcoin | 251-500 |
 Spring Health | springhealth.com | US | Artificial Intelligence (AI) | 1001-5000 |
 Replit | replit.com | US | Artificial Intelligence (AI) | 101-250 |
 Bullish | bullish.com | US | Cryptocurrency | 251-500 |
 ClickHouse | clickhouse.com | US | Analytics | 251-500 |
Top Alternatives to Cloudflare
Other CDN technologies sorted by adoption
How We Detect Cloudflare
The Web Radar detects Cloudflare 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 Cloudflare?+
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
How many companies use Cloudflare?+
758,570 companies in our database use Cloudflare, representing approximately 25.61% of all tracked websites.
What industries use Cloudflare the most?+
The top industries using Cloudflare are Consulting, E-Commerce, Health Care.
What countries use Cloudflare the most?+
The top countries using Cloudflare are US, GB, CA.
Is Cloudflare popular?+
Cloudflare is used by 758,570 companies, making it one of the most widely adopted CDN technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: July 2026