What powers seikiken.or.jp?
Last seen Jun 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Jun 2026
CMS
Databases
MySQL
since Mar 2021
Font scripts
Google Font API
since Nov 2025
Twitter Emoji (Twemoji)
since Jul 2021
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2022
RSS
since Nov 2025
Page builders
WordPress Block Editor
since Nov 2025
Programming languages
Video players
Web servers
Apache HTTP Server
since Mar 2021
WordPress plugins
WordPress themes
Lightning
since Nov 2025
Audience
- 82% desktop
- 18% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.19 / 10 · ranked #1,285,130 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.9 MB · 98 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| seikiken.or.jp | 17 |
| www.seikiken.or.jp | 8 |
| handbook.seikiken.or.jp | 4 |
Full technology history →
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Recent changes
- dropped Google Maps Feb 2026