What powers seikan-ferry.co.jp?
Last seen Jun 2026 · 23 technologies across 17 categories
Advertising
Twitter Ads
since Apr 2022
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since May 2024
Cloudflare
since May 2024
CMS
Databases
MySQL
since Sep 2025
Font scripts
Twitter Emoji (Twemoji)
since Dec 2025
Hosting
Sakura Internet
since Jul 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Sep 2025
Performance
Priority Hints
since Sep 2025
Programming languages
PHP
since Sep 2025
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
Video players
YouTube
since Dec 2020
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Jul 2025
Widgets
Twitter
since Apr 2022
WordPress plugins
Smash Balloon Instagram Feed
since Sep 2025
Audience
- 79% phone
- 19% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.45 / 10 · ranked #410,238 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 11.0 MB · 154 requests
- WordPress theme: seikanferry · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.seikan-ferry.co.jp | 21 |
| seikan-ferry.co.jp | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Yoast SEO Nov 2025
- detected core-js Sep 2025
- detected MySQL Sep 2025
- detected PHP Sep 2025
- detected Priority Hints Sep 2025
- detected RSS Sep 2025
- detected Smash Balloon Instagram Feed Sep 2025
- detected WordPress Sep 2025