What powers iij-renrakucho.jp?
Last seen Sep 2026 · 8 technologies across 6 categories
Font scripts
Google Font API
since Aug 2022
JavaScript frameworks
JavaScript libraries
Operating systems
Ubuntu
since Jul 2026
UI frameworks
Vuetify
since Feb 2026
Web servers
Nginx
since Dec 2025
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 76% desktop
- 24% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.10 / 10 · ranked #506,760 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: d-53.info
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: GlobalSign, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 14,943,636, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ptl.iij-renrakucho.jp | 5 |
| s-ecn.iij-renrakucho.jp | 3 |
| map.iij-renrakucho.jp | 1 |
| sorry.iij-renrakucho.jp | 1 |
Full technology history →
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