What powers seikotsuin-kobayashi.com?
Last seen Jun 2026 · 31 technologies across 17 categories
Analytics
Google Analytics
since Feb 2019
Microsoft Clarity
since Sep 2021
CMS
Databases
MySQL
since Feb 2019
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Dec 2023
Programming languages
PHP
since Feb 2019
Security
reCAPTCHA
since Apr 2021
Tag managers
Google Tag Manager
since Jun 2019
UI frameworks
Video players
Web servers
Nginx
since Apr 2021
WordPress plugins
Rich Plugins Reviews
since Dec 2025
WordPress themes
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.99 / 10 · ranked #1,603,467 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 11.5 MB · 304 requests
- WordPress theme: lightning-pro · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Rich Plugins Reviews Dec 2025