What powers kentotsubosaka.com?
Last seen Sep 2026 · 26 technologies across 16 categories
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Programming languages
Security
UI frameworks
Video players
Web server extensions
Web servers
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.50 / 10 · ranked #6,485,997 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.3 MB · 68 requests
- WordPress theme: kento-tsubosaka-theme · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- kentotsubosaka.com | 壷阪健登
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (183.90.250.10)
- Email: no MX record returned, SPF names Xserver
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 11,466,921, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.kentotsubosaka.com | 17 |
| kentotsubosaka.com | 14 |