What powers opentopodata.org?
Last seen Oct 2026 · 12 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Jan 2026
Caching
Varnish
since Sep 2025
CDN
Cloudflare
since Sep 2025
Fastly
since Sep 2025
Documentation
Font scripts
Google Font API
since Sep 2025
Miscellaneous
HTTP/3
since Sep 2025
PaaS
GitHub Pages
since Sep 2025
Programming languages
Python
since Sep 2025
Security
HSTS
since Sep 2025
Webmail
Google Workspace
since Sep 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.27 / 10 · ranked #1,163,873 of all domains
30 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 0.5 MB · 22 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.69.139, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,100,638, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted