What powers understandingdistributed.systems?
Last seen Sep 2026 · 9 technologies across 9 categories
Analytics
Google Analytics
since May 2021
Ecommerce
Gumroad
since Jun 2022
Mailgun
since May 2024
JavaScript frameworks
Svelte
since May 2021
Miscellaneous
Open Graph
since Sep 2022
PaaS
Vercel
since May 2021
Security
HSTS
since Sep 2022
UI frameworks
Tailwind CSS
since Apr 2022
Video players
YouTube
since May 2022
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Open Page Rank
2.06 / 10 · ranked #3,429,714 of all domains
13 referring domains · OpenPageRank
Page
- Language: English
- CDN: Vercel
- Weight: 3.5 MB · 42 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Google Cloud DNS
- Email: Mailgun
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,417,869
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped ConvertKit Nov 2025