What powers 
sjprep.net?
Last seen Sep 2026 · 35 technologies across 19 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Webmail
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
- 55% phone
- 45% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.62 / 10 · ranked #802,377 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 3.1 MB · 123 requests
- WordPress theme: saint-johns-prep · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Saint John's Prep (Saint John's Preparatory School on Wikidata)
- Founded: 1857
- Country: United States
- Profiles: Facebook, Instagram, LinkedIn, YouTube
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC quarantine, MTA-STS
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 3,177,707, 4 hosts
- Verified with: Adobe, Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Aug 2026
- dropped Elementor Aug 2026
- dropped HubSpot Aug 2026
- dropped HubSpot Analytics Aug 2026
- dropped HubSpot WordPress plugin Aug 2026
- detected The Events Calendar Aug 2026
- detected HTTP/3 Jul 2026
- detected WP Engine Jul 2026
- dropped Google Font API Jun 2026
- detected Google Font API Apr 2026
- detected Elementor Mar 2026
- detected Site Kit Mar 2026
- detected Microsoft Advertising Feb 2026