reCAPTCHA
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Get all 403,535 companies using reCAPTCHA
CSV with domain, country, industry, employees, funding, socials. Delivered by email.
Companies
403,535
Top Country
US
Top Industry
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Adoption Insights
reCAPTCHA is used by 403,535 companies in our database, representing approximately 13.62% of all tracked websites. The adoption is strongest in US.
Top Countries Using reCAPTCHA
Companies Using reCAPTCHA
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 CoreWeave | coreweave.com | US | AI Infrastructure | 1001-5000 |
 European Investment Bank | eib.org | LU | Banking | 1001-5000 |
 BitGo | bitgo.com | US | Bitcoin | 251-500 |
 Replit | replit.com | US | Artificial Intelligence (AI) | 101-250 |
 AST SpaceMobile | ast-science.com | US | Information Technology | 501-1000 |
 Deepgram | deepgram.com | US | Artificial Intelligence (AI) | 101-250 |
 Oklo | oklo.com | US | Clean Energy | 101-250 |
 Gemini | gemini.com | US | Cryptocurrency | 501-1000 |
 Writer | writer.com | US | Agentic AI | 251-500 |
 Zocks | zocks.io | US | Artificial Intelligence (AI) | 101-250 |
Top Alternatives to reCAPTCHA
Other Security technologies sorted by adoption
How We Detect reCAPTCHA
The Web Radar detects reCAPTCHA 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 reCAPTCHA?+
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
How many companies use reCAPTCHA?+
403,535 companies in our database use reCAPTCHA, representing approximately 13.62% of all tracked websites.
What countries use reCAPTCHA the most?+
The top countries using reCAPTCHA are US, GB, CA.
Is reCAPTCHA popular?+
reCAPTCHA is used by 403,535 companies, making it one of the most widely adopted Security technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: June 2026