What powers nfl4th.com?
Last seen Oct 2026 · 9 technologies across 7 categories
Caching
Varnish
since Nov 2022
CDN
Fastly
since Nov 2022
Hosting
IONOS
since Nov 2022
JavaScript libraries
Clipboard.js
since Nov 2022
Miscellaneous
Open Graph
since Nov 2022
PWA
since Oct 2025
PaaS
GitHub Pages
since Nov 2022
UI frameworks
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Standards: llms.txt
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.29 / 10 · ranked #2,893,961 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.5 MB · 26 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IONOS (74.208.236.102, IPv6)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,111,129, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped cdnjs Oct 2026
- dropped Cloudflare Oct 2026
- dropped Font Awesome Oct 2026
- dropped MathJax Oct 2026