What powers 
otree.org?
Last seen Jun 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Jun 2026
Caching
Varnish
since Oct 2022
CDN
Fastly
since Oct 2022
Font scripts
Google Font API
since Jun 2026
Miscellaneous
Open Graph
since Oct 2022
Prism
since Oct 2022
PaaS
GitHub Pages
since Oct 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
3.79 / 10 · ranked #718,511 of all domains
40 referring domains · OpenPageRank
Page
- Language: English
- CDN: Fastly
- Weight: 0.6 MB · 20 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Namecheap (192.64.119.108)
- DNS: Namecheap
- Email: Namecheap Private Email
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,966,457, 4 hosts
- Verified with: Brevo
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted