What powers 
kojimaboat.jp?
Last seen Sep 2026 · 24 technologies across 18 categories
Advertising
Twitter Ads
since Sep 2021
Yahoo Advertising
since Apr 2025
Analytics
Google Analytics
since Jun 2021
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Apr 2025
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2025
Miscellaneous
PWA
since Apr 2025
Operating systems
CentOS
since Jun 2021
PaaS
Amazon Web Services
since Apr 2025
Performance
Priority Hints
since Mar 2026
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Jul 2021
Video players
YouTube
since Jan 2019
Web server extensions
Web servers
Apache HTTP Server
since Jan 2016
Widgets
Twitter
since Sep 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 93% phone
- 4% desktop
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #356,826 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 19.1 MB · 264 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SAKURA-F SAKURA Internet Inc. (219.111.240.249)
- DNS: ocn.ad.jp
- Email: ocn.ad.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 1,185,557, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.kojimaboat.jp | 18 |
| www1.kojimaboat.jp | 18 |
| kojimaboat.jp | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025