What powers nfc.cool?
Last seen Sep 2026 · 37 technologies across 18 categories
Analytics
Caching
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Page builders
Payment processors
Performance
Security
Web servers
Webmail
Widgets
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
The other 26 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 89% phone
- 11% desktop
India
Germany
Indonesia
Spain
Japan
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.04 / 10 · ranked #1,512,755 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Fastly
- Weight: 0.3 MB · 28 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
- DNS: ns1.lima-city.de
- Email: mail.lima-city.de
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 139,750, 9 hosts
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop.nfc.cool | 21 |
| www.nfc.cool | 15 |
| nfc.cool | 9 |
| mycard.nfc.cool | 7 |
Full technology history →
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Recent changes
- dropped Bootstrap Jul 2026
- dropped Bootstrap Icons Jul 2026
- dropped Cookiebot Jul 2026
- dropped OpenResty Jul 2026