What powers 
zehr-institute.org?
Last seen Aug 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Aug 2022
CDN
Font scripts
Font Awesome
since Aug 2022
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2022
Security
HSTS
since Nov 2025
Video players
YouTube
since Jun 2024
Web servers
Apache HTTP Server
since Aug 2022
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
3.90 / 10 · ranked #648,992 of all domains
54 referring domains · OpenPageRank
Page
- Language: English (United States)
- CDN: Amazon CloudFront
- Weight: 3.2 MB · 119 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (13.33.252.3)
- DNS: Amazon Route 53
- Email: Pobox
- Email security: no SPF record, no DMARC record, CAA
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 159,077, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Ubuntu Dec 2025