What powers seibi.net?
Last seen Jun 2026 · 33 technologies across 18 categories
Analytics
CMS
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since May 2020
JavaScript libraries
Clipboard.js
since Jan 2022
Swiper
since Dec 2024
Maps
Google Maps
since Dec 2022
Marketing automation
Miscellaneous
Open Graph
since Feb 2025
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Aug 2024
Priority Hints
since Oct 2025
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Feb 2020
UI frameworks
Video players
YouTube
since Feb 2020
Web servers
Apache HTTP Server
since Feb 2020
WordPress plugins
EWWW Image Optimizer
since Aug 2024
WordPress themes
Audience
- 82% phone
- 18% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.28 / 10 · ranked #2,915,776 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| INP | 150 ms |
| CLS | 0.15 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.8 MB · 164 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| seibi.net | 31 |
| honbu.seibi.net | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Mautic Jun 2026
- detected TikTok Pixel Apr 2026
- detected Priority Hints Oct 2025