What powers chapinschool.org?
Last seen Jun 2026 · 31 technologies across 16 categories
Analytics
Cloudflare Browser Insights
since Jun 2021
Google Analytics
since Jan 2019
CDN
Cloudflare
since Aug 2019
Databases
Editors
Amazon SES
since May 2026
Sendgrid
since May 2026
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
Backbone.js
since Aug 2023
Stimulus
since Mar 2026
JavaScript libraries
Htmx
since Nov 2025
libphonenumber
since Jun 2025
Lightbox
since Jul 2023
Selectize
since Nov 2022
Underscore.js
since Aug 2023
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since May 2026
Programming languages
Java
since Sep 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Translation
Weglot
since Oct 2023
Video players
VideoJS
since Jun 2026
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Audience
- 67% desktop
- 33% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.05 / 10 · ranked #3,459,666 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0.3 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 16.9 MB · 74 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected VideoJS Jun 2026
- detected Amazon SES May 2026
- detected Amazon Web Services May 2026
- detected Sendgrid May 2026
- detected Stimulus Mar 2026
- detected core-js Dec 2025
- detected Facebook Pixel Dec 2025
- detected Htmx Nov 2025
- dropped cdnjs Oct 2025
- dropped Preact Oct 2025