What powers classesup.com?
Last seen Jun 2026 · 15 technologies across 10 categories
Analytics
Google Analytics
since Apr 2025
CDN
Cloudflare
since May 2026
CMS
Builder.io
since Mar 2026
JavaScript frameworks
React
since Mar 2026
JavaScript libraries
Live chat
WhatsApp Business Chat
since Apr 2025
Operating systems
Ubuntu
since Apr 2025
Security
Cloudflare Bot Management
since May 2026
HSTS
since Apr 2025
UI frameworks
Web servers
Audience
- 71% phone
- 29% desktop
Argentina
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.10 / 10 · ranked #110,168,619 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Spanish
- Weight: 20.4 MB · 23 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped AOS Apr 2026
- dropped Font Awesome Apr 2026
- detected Builder.io Mar 2026
- detected Radix UI Mar 2026
- detected React Mar 2026
- detected React Router Mar 2026
- detected shadcn/ui Mar 2026
- detected Tailwind CSS Mar 2026
- dropped Google Tag Manager Jan 2026
- detected Google Tag Manager Oct 2025