What powers classvr.kr?
Last seen Jun 2026 · 16 technologies across 11 categories
CDN
Unpkg
since Dec 2025
CMS
WordPress
since May 2023
Databases
MySQL
since May 2023
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since May 2023
Programming languages
PHP
since May 2023
Security
Cloudflare Turnstile
since Oct 2024
HSTS
since May 2023
SEO
Web servers
LiteSpeed
since May 2023
Webmail
Microsoft 365
since Aug 2023
Audience
- 100% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.22 / 10 · ranked #75,869,768 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- dropped Google Font API Dec 2025
- dropped hCaptcha Dec 2025