What powers exr.education?
Last seen Sep 2026 · 12 technologies across 12 categories
Analytics
Google Analytics
since Feb 2026
CDN
Amazon CloudFront
since Feb 2025
Font scripts
Google Font API
since Feb 2025
Issue trackers
Sentry
since Feb 2025
Miscellaneous
Open Graph
since Feb 2025
PaaS
Amazon Web Services
since Feb 2025
Performance
Turbolinks
since Feb 2025
Programming languages
Ruby
since Feb 2025
Security
HSTS
since Feb 2025
Web frameworks
Ruby on Rails
since Feb 2025
Web servers
Webmail
Proton Mail
since Feb 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
1.78 / 10 · ranked #4,472,798 of all domains
12 referring domains · OpenPageRank
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.6 MB · 17 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Oracle Cloud (50.87.86.152)
- DNS: Amazon Route 53
- Email: Proton Mail
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,980,702, 2 hosts
- Verified with: Google, Microsoft 365, Proton
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted