What powers holynski.org?
Last seen Aug 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Jul 2024
Caching
Varnish
since Jul 2024
CDN
Fastly
since Jul 2024
Google Hosted Libraries
since Jul 2024
Mailgun
since Jul 2024
Font scripts
Google Font API
since Jul 2024
JavaScript libraries
PaaS
GitHub Pages
since Jul 2024
UI frameworks
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
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.93 / 10 · ranked #1,709,315 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Google Cloud DNS
- Email: Mailgun
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,899,784, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted