What powers 
jsoncanvas.org?
Last seen Jun 2026 · 5 technologies across 4 categories
Caching
Varnish
since Apr 2024
CDN
Fastly
since Apr 2024
Miscellaneous
Open Graph
since Apr 2024
Prism
since Apr 2024
PaaS
GitHub Pages
since Apr 2024
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
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #631,136 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Namecheap
- Email: Namecheap
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,051,492
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted