What powers chihousousei-college.jp?
Last seen Oct 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Aug 2018
Snowplow Analytics
since Apr 2023
Authentication
Facebook Login
since Apr 2023
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Aug 2018
Programming languages
Tag managers
Google Tag Manager
since Aug 2018
Web server extensions
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 60% desktop
- 40% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.29 / 10 · ranked #436,692 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 17.7 MB · 158 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (163.43.192.55)
- DNS: Sakura Internet
- Email: no MX record returned
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 10,318,183, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted