What powers kohsei-l.co.jp?
Last seen Jun 2026 · 24 technologies across 11 categories
Analytics
Google Analytics
since May 2024
CMS
WordPress
since Feb 2024
Databases
MySQL
since Feb 2024
Hosting
Sakura Internet
since May 2026
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2024
RSS
since May 2024
Performance
Partytown
since Aug 2025
Priority Hints
since May 2024
Programming languages
PHP
since Feb 2024
SEO
Web servers
Nginx
since Feb 2024
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.79 / 10 · ranked #4,392,717 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0.2 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.2 MB · 40 requests
- WordPress theme: nano_tcd065 · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Plesk Jun 2026
- detected Sakura Internet May 2026
- detected Enhanced Responsive Images Sep 2025
- detected Image Prioritizer Sep 2025
- detected Modern Image Formats Sep 2025
- detected Optimization Detective Sep 2025
- detected Speculative Loading Sep 2025
- detected Embed Optimizer Aug 2025
- detected Image Placeholders Aug 2025
- detected Partytown Aug 2025
- detected Performance Lab Aug 2025
- detected Performant Translations Aug 2025
- detected Web Worker Offloading Aug 2025