What powers chslearn.org?
Last seen Jun 2026 · 33 technologies across 18 categories
Advertising
Nextdoor Ads
since Oct 2025
theTradeDesk
since Mar 2023
Analytics
Crazy Egg
since Feb 2025
Google Analytics
since Oct 2021
Hotjar
since Oct 2021
Linkedin Insight Tag
since Dec 2021
Microsoft Clarity
since Jul 2023
CDN
Cloudflare
since Oct 2021
CMS
WordPress
since Oct 2021
Databases
MySQL
since Oct 2021
JavaScript frameworks
Backbone.js
since Dec 2024
JavaScript libraries
Maps
Google Maps
since Jun 2022
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
PaaS
WP Engine
since Jan 2024
Programming languages
PHP
since Oct 2021
Security
Cloudflare Bot Management
since Aug 2022
HSTS
since Sep 2022
Segmentation
Adobe Audience Manager
since Mar 2023
SEO
Tag managers
Google Tag Manager
since Oct 2021
UI frameworks
Bootstrap
since Oct 2021
Webmail
Apple iCloud Mail
since Jun 2023
Microsoft 365
since Aug 2022
WordPress plugins
Audience
- 83% phone
- 17% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.98 / 10 · ranked #1,620,150 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 5.3 MB · 147 requests
- WordPress theme: jpl (child: chs) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Apr 2026
- detected Nextdoor Ads Oct 2025
- dropped Pinterest Conversion Tag Sep 2025