What powers rcs.k12.al.us?
Last seen Jun 2026 · 22 technologies across 11 categories
CDN
Google Workspace
since Aug 2022
Sendgrid
since Oct 2023
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
AlertifyJS
since Mar 2026
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
Programming languages
PHP
since Mar 2026
RUM
Datadog
since Mar 2026
Security
UI frameworks
Web servers
Nginx
since Oct 2023
Audience
- 54% phone
- 46% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.78 / 10 · ranked #4,465,013 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 8.9 MB · 153 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rhs.rcs.k12.al.us | 22 |
| www.rcs.k12.al.us | 22 |
Full technology history →
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Recent changes
- dropped DataTables Jun 2026
- dropped Google Analytics Apr 2026
- dropped GSAP Apr 2026
- dropped Node.js Apr 2026
- dropped Nuxt.js Apr 2026
- dropped Priority Hints Apr 2026
- dropped Varnish Apr 2026
- dropped Vue.js Apr 2026
- detected AlertifyJS Mar 2026
- detected Bootstrap Mar 2026
- detected cdnjs Mar 2026
- detected Cloudflare Mar 2026
- detected Datadog Mar 2026
- detected DataTables Mar 2026
- detected HeadJS Mar 2026
- detected jQuery Mar 2026
- detected jQuery UI Mar 2026
- detected jsDelivr Mar 2026
- detected Moment.js Mar 2026
- detected Nginx Mar 2026
- detected PHP Mar 2026
- detected Slick Mar 2026
- detected Typekit Mar 2026
- detected Unpkg Mar 2026
- detected Priority Hints Oct 2025