What powers datahaskell.org?
Last seen Oct 2026 · 4 technologies across 4 categories
Caching
Varnish
since Dec 2025
CDN
Fastly
since Dec 2025
JavaScript libraries
PaaS
GitHub Pages
since Dec 2025
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
- 60% phone
- 40% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.84 / 10 · ranked #1,885,302 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Fastly
- Weight: 0.4 MB · 26 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: dnsimple-edge.com
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,055,976, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted