What powers playark.jp?
Last seen Jun 2026 · 10 technologies across 7 categories
Caching
Varnish
since Oct 2023
CDN
Cloudflare
since Apr 2024
Fastly
since Oct 2023
Documentation
JavaScript frameworks
React
since Oct 2023
Miscellaneous
PaaS
GitHub Pages
since Oct 2023
Security
HSTS
since Oct 2023
Audience
- 73% desktop
- 27% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.29 / 10 · ranked #8,727,523 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Fastly
- Weight: 23.2 MB · 32 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.