What powers whoisdatacenter.com?
Last seen Sep 2026 · 42 technologies across 18 categories
Analytics
CDN
Development
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Miscellaneous
Payment processors
Performance
Programming languages
Rich text editors
Security
Tag managers
UI frameworks
Webmail
Widgets
AI Crawlers
Restricts 14 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Restricted
- CCBot Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 19 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 chatgpt-user: Restricted (was Blocked)
- Sep 2026 ccbot: Restricted (was Blocked)
- Sep 2026 amazonbot: Restricted (was Blocked)
- Sep 2026 applebot-extended added to robots.txt
AI Crawlers
14 of 33 AI crawlers restricted
Audience
- 61% phone
- 39% desktop
India
United States
Türkiye
Indonesia
Vietnam
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.03 / 10 · ranked #12,058,883 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.2 s |
| INP | 125 ms |
| CLS | 0.25 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.9 MB · 48 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.59.220, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 11,414,974
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| whoisdatacenter.com | 27 |
| dash.whoisdatacenter.com | 25 |
| payment.whoisdatacenter.com | 11 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management Sep 2026
- detected Facebook Pixel Sep 2026
- detected Linkedin Insight Tag Sep 2026
- detected Quora Pixel Sep 2026
- detected Yandex.Metrika Sep 2026
- detected Open Graph Jul 2026
- detected Tailwind CSS Jul 2026
- dropped Cloudflare Bot Management Apr 2026
- dropped Facebook Pixel Apr 2026
- dropped Font Awesome Apr 2026
- dropped jQuery CDN Apr 2026
- dropped Linkedin Insight Tag Apr 2026
- dropped OWL Carousel Apr 2026
- dropped PHP Apr 2026
- dropped Quora Pixel Apr 2026
- dropped Yandex.Metrika Apr 2026
- detected Next.js Mar 2026
- detected Next.js App Router Mar 2026
- detected Node.js Mar 2026
- detected Priority Hints Mar 2026
- detected React Mar 2026
- detected Turbopack Mar 2026
- detected Webpack Mar 2026