What powers icst.jp?
Last seen Oct 2026 · 12 technologies across 11 categories
Analytics
CMS
Databases
Hosting panels
JavaScript libraries
Performance
Programming languages
Tag managers
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 52% desktop
- 48% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.12 / 10 · ranked #1,397,508 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 57 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 株式会社 ICST
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on TSUKAERUNET Tsukaeru.net, Web Hosting Company, Japan (121.50.45.130)
- DNS: Onamae.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 10,786,388, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted