What powers iiasu.co.jp?
Last seen Oct 2026 · 12 technologies across 8 categories
Analytics
CDN
JavaScript libraries
Operating systems
Programming languages
Security
Web frameworks
Web servers
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
Search and AI assistants
- PetalBot Blocked
- Applebot Allowed
The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 claudebot removed from robots.txt
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 60% phone
- 40% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.87 / 10 · ranked #3,987,272 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 91 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (153.125.228.12)
- DNS: macly.jp
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 3072, expires Dec 2026
- Common Crawl link graph: rank 63,194,460, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted