What powers kosyonin.jp?
Last seen Nov 2023 · 9 technologies across 9 categories
Analytics
Google Analytics
since May 2019
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since May 2019
Databases
MySQL
since May 2019
Font scripts
Font Awesome
since May 2019
JavaScript libraries
Programming languages
SEO
Web servers
Apache HTTP Server
since May 2019
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 46% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.97 / 10 · ranked #112,044 of all domains
155 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on CPI-NET KDDI Web Communications Inc. (150.60.200.34)
- DNS: cpi.ad.jp
- Email: secure.ne.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,246,148, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted