What powers ken-ten.jp?
Last seen Aug 2026 · 10 technologies across 10 categories
Advertising
Twitter Ads
since Oct 2021
Analytics
Authentication
Facebook Login
since Oct 2021
CDN
jQuery CDN
since May 2023
Font scripts
Google Font API
since Jul 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Video players
YouTube
since May 2023
Web servers
Apache HTTP Server
since Jul 2019
Widgets
Twitter
since Oct 2021
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.12 / 10 · ranked #496,036 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 23 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PROX Prox System Design Inc. (210.143.103.8)
- DNS: ixent.ne.jp
- Email: ken-ten.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 10,633,298, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ken-ten.jp | 10 |
| www.ken-ten.jp | 6 |