What powers openvmm.dev?

Last seen Oct 2026 · 9 technologies across 7 categories

Caching

Varnish
since Nov 2024

CDN

Fastly
since Nov 2024

Font scripts

Font Awesome
since Nov 2024

JavaScript graphics

Mermaid
since Mar 2025

JavaScript libraries

Clipboard.js
since Nov 2024
Highlight.js
since Nov 2024

PaaS

Azure
since Nov 2024
GitHub Pages
since Nov 2024

Security

HSTS
since Nov 2024

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

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Open Page Rank

1.88 / 10 · ranked #3,911,096 of all domains

6 referring domains · OpenPageRank

Page

  • Language: English
  • CDN: Fastly
  • Weight: 1.6 MB · 28 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Fastly (185.199.108.153)
  • DNS: Azure DNS
  • Email: no MX record returned
  • Email security: DMARC reject, CAA
  • SSL: Let's Encrypt, RSA 2048, expires Jan 2027
  • Common Crawl link graph: rank 1,070,618

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Full technology history →
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