What powers compr.se?
Last seen Sep 2026 · 6 technologies across 5 categories
Analytics
Cloudflare Browser Insights
since Sep 2026
CDN
Cloudflare
since Sep 2026
Unpkg
since Sep 2026
Font scripts
Google Font API
since Sep 2026
Miscellaneous
HTTP/3
since Sep 2026
Security
Friendly Captcha
since Sep 2026
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 checked
- ai.txt not checked
Infrastructure
- Hosted on Cloudflare (104.21.8.3, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed, CAA
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted