What powers 
chugin-sec.co.jp?
Last seen Sep 2026 · 7 technologies across 6 categories
CMS
Joomla
since Jul 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Jul 2021
Web servers
Apache HTTP Server
since Jul 2021
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
- 88% phone
- 12% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #851,925 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese (Japan)
- Weight: 5.8 MB · 102 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CPI-NET KDDI Web Communications Inc. (150.60.200.221)
- DNS: customer.ne.jp
- Email: chugin-sec.co.jp
- Email security: SPF (soft fail), DMARC reject, BIMI
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 10,207,922
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted