What powers castilleja.org?
Last seen Jun 2026 · 43 technologies across 21 categories
Advertising
AppNexus
since Nov 2021
Analytics
Cloudflare Browser Insights
since Jun 2021
Google Analytics
since Aug 2018
Appointment scheduling
AddEvent
since Feb 2023
Authentication
Facebook Login
since Sep 2024
CDN
cdnjs
since Oct 2021
Cloudflare
since Aug 2019
CMS
Databases
Editors
Sendgrid
since Sep 2024
Font scripts
Google Font API
since Sep 2018
JavaScript frameworks
Backbone.js
since Sep 2021
Stimulus
since Apr 2026
JavaScript libraries
Htmx
since Nov 2025
libphonenumber
since Jun 2025
Lightbox
since Jul 2023
Preact
since Feb 2023
Selectize
since Nov 2022
Underscore.js
since Sep 2021
Miscellaneous
Gravatar
since Aug 2018
HTTP/3
since Sep 2022
Issuu
since Apr 2022
Open Graph
since Sep 2022
SWFObject
since Aug 2018
Twitter Emoji (Twemoji)
since Aug 2018
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2018
Translation
Weglot
since Nov 2019
UI frameworks
Video players
Web servers
Apache HTTP Server
since Aug 2018
Nginx
since Sep 2024
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Audience
- 88% desktop
- 13% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.05 / 10 · ranked #534,029 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 107.3 MB · 252 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.castilleja.org | 30 |
| alum.castilleja.org | 14 |
| library.castilleja.org | 11 |
| login.castilleja.org | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Htmx Nov 2025