What powers 
sailonline.org?
Last seen Aug 2026 · 11 technologies across 11 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since May 2020
CDN
Cloudflare
since Mar 2025
JavaScript libraries
Payment processors
PayPal
since May 2020
Programming languages
Python
since May 2020
Security
Cloudflare Bot Management
since Mar 2025
Web frameworks
Django
since May 2020
Web servers
Nginx
since May 2020
Webmail
Google Workspace
since Aug 2022
Widgets
Twitter
since May 2020
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.44 / 10 · ranked #962,054 of all domains
66 referring domains · OpenPageRank
Page
- Weight: 1.2 MB · 63 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (144.76.111.8)
- DNS: Loopia
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,943,793, 8 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sailonline.org | 11 |
| www.sailonline.org | 11 |