What powers otokura.jp?
Last seen Aug 2026 · 7 technologies across 7 categories
Advertising
Google AdSense
since Jul 2020
Authentication
Facebook Login
since Jan 2022
CDN
jQuery CDN
since May 2022
JavaScript libraries
Programming languages
Security
reCAPTCHA
since May 2022
Web servers
Apache HTTP Server
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
- 77% phone
- 23% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #285,606 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MIRAI Mirai Communication Network Inc. (210.172.223.109, IPv6)
- DNS: mcnx.jp
- Email: mcnx.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 1,910,278, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted