What powers cls.sch.id?
Last seen Jun 2026 · 40 technologies across 21 categories
Analytics
Google Analytics
since May 2019
CDN
cdnjs
since Oct 2025
Cloudflare
since Jan 2021
CMS
WordPress
since May 2019
Databases
MySQL
since May 2019
Ecommerce
Cart Functionality
since Mar 2025
Font scripts
Font Awesome
since May 2019
Google Font API
since May 2019
JavaScript frameworks
GSAP
since Jan 2021
JavaScript libraries
OWL Carousel
since May 2019
Select2
since May 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
wpBakery
since Jul 2022
Performance
Priority Hints
since Mar 2025
Programming languages
PHP
since May 2019
Security
HSTS
since Sep 2022
Really Simple SSL & Security
since Apr 2024
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Tailwind CSS
since Mar 2025
Video players
YouTube
since Nov 2023
Web servers
Nginx
since May 2019
Webmail
Google Workspace
since Aug 2022
Widgets
WordPress plugins
WordPress themes
Audience
- 85% phone
- 15% desktop
Indonesia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.48 / 10 · ranked #26,046,915 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.4 s |
| CLS | 0.05 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 8.8 MB · 142 requests
- WordPress theme: smarty · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| cls.sch.id | 34 |
| picturebooks.cls.sch.id | 17 |
| sms.cls.sch.id | 8 |