Find the sites that matter on the web
119.7M domains tracked · 20.0M checked · 10.8M live sites
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Type a domain, e.g. example.com.
- 1
doi.org6 AI lookups
- 2
europa.eu6 AI lookups
- 3
soundcloud.com6 AI lookups
- 4
arstechnica.com5 AI lookups
- 5
▲ 1.3×coca-cola.com5 AI lookups
- 6
harvard.edu5 AI lookups
- 7
madmimi.com5 AI lookups
- 8
▲ 1.3×nvidia.com5 AI lookups
- 9
thomsonreuters.com5 AI lookups
- 10
typeform.com5 AI lookups
ClaudeBot24,644
GPTBot (OpenAI)22,440
Applebot20,361
Googlebot634
Bingbot137
- DuckDuckBot0
PerplexityBot0
Measured on serpex.ai's own server.
As of 19 Sep 2026, facebook.com holds the highest web authority among websites in public web data.
| Rank | Site | Description | Technologies |
|---|---|---|---|
| 1 | None detected | ||
| 2 | HTTP/3+1 | ||
| 3 |  instagram.cominstagram.com | Create an account or log in to Instagram - Share what you're into with the people who get you. | Not checked yet |
| 4 | Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. | YouTube+1+2 | |
| 5 | From breaking news and entertainment to sports and politics, get the full story with all the live commentary. | Not checked yet | |
| 6 | Checking your browser - reCAPTCHA | reCAPTCHA | |
| 7 | Welcome to Cloudflare - Powering the next generation of applications | Astro+4+5 | |
| 8 | Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support. | HSTS | |
| 9 | Discover recipes, home ideas, style inspiration and other ideas to try. | C3.js+1+2 | |
| 10 | From breaking news and entertainment to sports and politics, get the full story with all the live commentary. | Not checked yet |