HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Get all 788,808 companies using HTTP/3
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Companies
788,808
Top Country
US
Top Industry
Consulting
Adoption Insights
HTTP/3 is used by 788,808 companies in our database, representing approximately 26.63% of all tracked websites. The most common industry using HTTP/3 is Consulting, and adoption is strongest in US.
Top Countries Using HTTP/3
Top Industries Using HTTP/3
Companies Using HTTP/3
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 Anthropic | anthropic.com | US | Artificial Intelligence (AI) | 1001-5000 |
 OpenAI | openai.com | US | Agentic AI | 1001-5000 |
 ElevenLabs | elevenlabs.io | 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 |
 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 |
 Bullish | bullish.com | US | Cryptocurrency | 251-500 |
Top Alternatives to HTTP/3
Other Miscellaneous technologies sorted by adoption
How We Detect HTTP/3
The Web Radar detects HTTP/3 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 HTTP/3?+
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
How many companies use HTTP/3?+
788,808 companies in our database use HTTP/3, representing approximately 26.63% of all tracked websites.
What industries use HTTP/3 the most?+
The top industries using HTTP/3 are Consulting, E-Commerce, Advertising.
What countries use HTTP/3 the most?+
The top countries using HTTP/3 are US, GB, AU.
Is HTTP/3 popular?+
HTTP/3 is used by 788,808 companies, making it one of the most widely adopted Miscellaneous technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: July 2026