What powers numa.rs?
Last seen Oct 2026 · 5 technologies across 4 categories
Caching
Varnish
since May 2026
CDN
Cloudflare
since May 2026
Fastly
since May 2026
Miscellaneous
Open Graph
since May 2026
PaaS
GitHub Pages
since May 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
Open Page Rank
2.83 / 10 · ranked #1,908,644 of all domains
15 referring domains · OpenPageRank
Page
- Language: English
- CDN: Fastly
- Weight: 0.1 MB · 8 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,846,759
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted