What powers jeffersonsd251.org?
Last seen Oct 2026 · 32 technologies across 17 categories
Accessibility
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Mobile frameworks
Page builders
Performance
Programming languages
Video players
Web servers
Widgets
WordPress plugins
WordPress themes
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
- 52% phone
- 48% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.80 / 10 · ranked #1,978,146 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 1.0 MB · 37 requests
- WordPress theme: divi · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Rigby Online High School (Jefferson County School District 251 on Wikidata)
- Country: United States
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Oracle Cloud (162.241.216.185)
- DNS: jeffersonsd251.org
- Email: jeffersonsd251.org
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 6,947,574, 16 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.jeffersonsd251.org | 19 |
| midway.jeffersonsd251.org | 18 |
| rm.jeffersonsd251.org | 16 |
| cottonwood.jeffersonsd251.org | 15 |
| rohs.jeffersonsd251.org | 15 |
| www.jeffersonelementary.jeffersonsd251.org | 15 |
| www.southfork.jeffersonsd251.org | 14 |
| jeffersonhigh.jeffersonsd251.org | 13 |
| southfork.jeffersonsd251.org | 13 |
| farnsworth.jeffersonsd251.org | 12 |
| www.harwood.jeffersonsd251.org | 12 |
| farnsworthmiddle.jeffersonsd251.org | 11 |
| harwood.jeffersonsd251.org | 11 |
| jeffersonsd251.org | 7 |
Full technology history →
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Recent changes
- dropped jQuery UI Oct 2026
- dropped Popup Maker Oct 2026
- dropped Cart Functionality Aug 2026
- dropped Imperva Aug 2026
- detected jQuery UI Jul 2026
- detected Popup Maker Jul 2026
- dropped jQuery UI May 2026
- dropped Popup Maker May 2026
- detected jQuery UI Feb 2026
- detected Popup Maker Feb 2026
- detected YouTube Feb 2026
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025