What powers 
sekisuiseikei.co.jp?
Last seen Oct 2026 · 14 technologies across 14 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Programming languages
Security
Tag managers
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 70% desktop
- 30% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #962,231 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 15.0 MB · 123 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (162.43.94.164)
- DNS: Xserver
- Email: sekisuiseikei.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 13,924,348, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| recruit.sekisuiseikei.co.jp | 13 |
| www.sekisuiseikei.co.jp | 13 |
Full technology history →
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Recent changes
- detected HSTS Oct 2026