What powers 
itksnap.org?
Last seen Oct 2026 · 6 technologies across 5 categories
CDN
Cookie compliance
Programming languages
Security
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 96% desktop
- 4% phone
United States
India
United Kingdom
China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #333,154 of all domains
102 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 0.5 MB · 12 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Aug 2005 (21 years) via Register.com - Network Solutions, LLC, renews Aug 2029
- Hosted on LIGHTEDGE-AS-02 - LightEdge Solutions (204.68.111.101)
- DNS: Register.com
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P384, expires Jan 2027
- Common Crawl link graph: rank 659,610, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted