What powers sekai.team?
Last seen Jun 2026 · 28 technologies across 13 categories
Analytics
Cloudflare Browser Insights
since Apr 2022
Caching
Varnish
since Nov 2022
CDN
Mailgun
since Dec 2025
Font scripts
Google Font API
since Nov 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PWA
since Aug 2022
RSS
since Dec 2022
Webpack
since Apr 2022
PaaS
Amazon Web Services
since May 2024
GitHub Pages
since Nov 2022
Performance
Priority Hints
since May 2024
Programming languages
Node.js
since Apr 2022
Security
HSTS
since Nov 2022
UI frameworks
Audience
- 73% desktop
- 27% phone
India
Japan
Indonesia
Vietnam
South Korea
Singapore
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.69 / 10 · ranked #2,174,842 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.2 MB · 37 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sekai.team | 18 |
| ctf.sekai.team | 10 |
| 2022.ctf.sekai.team | 9 |
| 2025.ctf.sekai.team | 9 |
| 2024.ctf.sekai.team | 8 |
| osugaming.sekai.team | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Mailgun Dec 2025
- detected Cloudflare Browser Insights Nov 2025