What powers 
roberson.org?
Last seen Sep 2026 · 37 technologies across 16 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Mobile frameworks
PaaS
Performance
Programming languages
Security
Web servers
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #616,337 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 3500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 18.2 MB · 143 requests
- WordPress theme: divi (child: divi-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Roberson Museum (Roberson Museum and Science Center on Wikidata)
- Founded: 1904
- Industry: Arts and entertainment (declares
Event) - Country: United States
- Profiles: Facebook, X, Instagram, TikTok
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Automattic (WordPress.com) (199.16.172.56)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 162,339, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| roberson.org | 33 |
| www.roberson.org | 27 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped HTTP/3 Jul 2026
- dropped MediaElement.js Feb 2026
- detected Underscore.js Nov 2025