What powers eiken-kn.jp?
Last seen Oct 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Apr 2023
CMS
Bolt CMS
since Apr 2023
Font scripts
Google Font API
since Jun 2025
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2023
Programming languages
PHP
since Apr 2023
Tag managers
Google Tag Manager
since Apr 2023
Web servers
Nginx
since Apr 2023
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 Oct 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
1.30 / 10 · ranked #8,643,641 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 51.8 MB · 201 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (183.90.231.107)
- DNS: xbiz.ne.jp
- Email: eiken-kn.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,660,567, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted