What powers 
jeffreyarnett.com?
Last seen Sep 2026 · 9 technologies across 8 categories
Caching
Varnish
since Sep 2026
CDN
Fastly
since Sep 2026
CMS
Contentful
since Sep 2026
Font scripts
Typekit
since Sep 2026
Miscellaneous
Open Graph
since Sep 2026
PWA
since Sep 2026
PaaS
GitHub Pages
since Sep 2026
Performance
Priority Hints
since Sep 2026
Video players
YouTube
since Sep 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.87 / 10 · ranked #676,179 of all domains
103 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.1 MB · 31 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: IBM NS1
- Email: yahoodns.net
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 593,800, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted