What powers 
riverdale.edu?
Last seen Sep 2026 · 52 technologies across 26 categories
Accessibility
Analytics
CDN
CMS
Databases
Documentation
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Operating systems
PaaS
Page builders
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Webmail
Wikis
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 85% desktop
- 15% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.58 / 10 · ranked #389,918 of all domains
105 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 19.6 MB · 80 requests
- WordPress theme: riverdale · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Riverdale Country School
- Founded: 1907
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.26.8.216, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 1,953,844, 5 hosts
- Verified with: Adobe, Amazon Business, Apple Business, Google, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.riverdale.edu | 31 |
| handbook.riverdale.edu | 20 |
| howdoi.riverdale.edu | 11 |
| knowledge.riverdale.edu | 6 |
| ecovendor.riverdale.edu | 1 |
Full technology history →
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