What powers isun.co.jp?
Last seen Sep 2026 · 23 technologies across 13 categories
Affiliate programs
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.86 / 10 · ranked #4,047,345 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 61 requests
- WordPress theme: cocoon-master (child: cocoon-child-master) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 太陽自動車学校
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Sakura Internet (219.94.128.58)
- DNS: Onamae.com
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 24,650,664, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| isun.co.jp | 23 |
| www.isun.co.jp | 1 |
Full technology history →
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Recent changes
- detected reCAPTCHA Feb 2026