What powers ryusei.biz?
Last seen Sep 2026 · 18 technologies across 14 categories
Analytics
CMS
Databases
MySQL
since Aug 2022
Font scripts
Twitter Emoji (Twemoji)
since Aug 2022
Hosting
Xserver
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Aug 2022
UI frameworks
Video players
YouTube
since Nov 2022
Web servers
Apache HTTP Server
since Aug 2022
Nginx
since Aug 2024
WordPress themes
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 65% phone
- 35% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.85 / 10 · ranked #4,067,203 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.8 MB · 30 requests
- WordPress theme: lightning (child: lightning_child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (162.43.94.26)
- Email: ryusei.biz
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,901,042, 2 hosts
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ryusei.biz | 15 |
| www.ryusei.biz | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025