What powers ko-seikan.co.jp?
Last seen Jun 2026 · 21 technologies across 12 categories
Advertising
Twitter Ads
since Jul 2024
Analytics
Google Analytics
since Feb 2022
Microsoft Clarity
since Aug 2022
Pinterest Conversion Tag
since Jun 2023
CDN
Cloudflare
since Sep 2024
Font scripts
Google Font API
since Feb 2022
JavaScript libraries
Marketing automation
BowNow
since Feb 2022
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Mar 2026
Programming languages
Security
Cloudflare Bot Management
since Sep 2024
Tag managers
Google Tag Manager
since Feb 2022
Web servers
Apache HTTP Server
since Feb 2022
Audience
- 59% desktop
- 41% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.37 / 10 · ranked #2,741,173 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 5.1 MB · 125 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
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
- dropped Google Maps Nov 2025
- dropped Slick Nov 2025
- detected Google Font API Oct 2025
- detected Splide Oct 2025
- dropped Moment.js Aug 2025