What powers chadwickschool.org?
Last seen Oct 2026 · 53 technologies across 27 categories
Advertising
Analytics
Authentication
CDN
Editors
Font scripts
Fundraising & donations
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Rich text editors
RUM
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
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
- 62% desktop
- 32% phone
- 5% tablet
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.21 / 10 · ranked #1,252,252 of all domains
43 referring domains · OpenPageRank
Search traffic
330 est. monthly organic visits (US)
104 keywords in Google's top 30
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 24.5 MB · 224 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Chadwick School
- Founded: 1935
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Microsoft (13.66.138.102)
- DNS: Network Solutions
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 662,650, 3 hosts
- Verified with: Adobe, Apple Business, Cisco, Google, Have I Been Pwned, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| give.chadwickschool.org | 38 |
| www.chadwickschool.org | 28 |
Full technology history →
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Recent changes
- detected Google Font API Oct 2026
- detected Microsoft Advertising Oct 2026
- detected Amazon S3 Sep 2026
- detected Amazon Web Services Sep 2026