What powers 
sheldonartmuseum.org?
Last seen Aug 2026 · 15 technologies across 10 categories
Analytics
Caching
CDN
CMS
Hosting
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
Security
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 62% desktop
- 38% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.53 / 10 · ranked #397,407 of all domains
117 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.9 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sheldon Museum of Art
- Founded: 1963
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (3.209.3.229)
- DNS: unl.edu
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 483,838, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped jQuery UI Oct 2025