What powers kodenshi.co.jp?
Last seen Sep 2026 · 11 technologies across 7 categories
JavaScript frameworks
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Popper
since Apr 2022
Security
HSTS
since Feb 2025
UI frameworks
Video players
YouTube
since Jul 2022
Web servers
Nginx
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 70% desktop
- 30% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #895,030 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- Weight: 1.7 MB · 17 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (202.254.238.16)
- DNS: do-reg.jp
- Email: kodenshi.co.jp
- Email security: no SPF record, no DMARC record
- SSL: CloudSecure Corporation, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,976,312, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted