What powers serraschool.org?
Last seen Jun 2026 · 23 technologies across 12 categories
CDN
Amazon CloudFront
since Dec 2020
Google Hosted Libraries
since Mar 2022
Font scripts
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2024
Operating systems
Red Hat
since Sep 2025
PaaS
Amazon Web Services
since Dec 2020
Programming languages
Security
HSTS
since Feb 2024
UI frameworks
Web server extensions
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Sep 2022
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.44 / 10 · ranked #2,595,355 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 4.2 MB · 35 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.serraschool.org | 16 |
| volunteer.serraschool.org | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Slick Jun 2026
- detected UIKit May 2026
- detected Apache HTTP Server Sep 2025
- detected Apache Tomcat Sep 2025
- detected mod_jk Sep 2025
- detected OpenSSL Sep 2025
- detected Red Hat Sep 2025