What powers a-seibu.co.jp?
Last seen Jun 2026 · 17 technologies across 12 categories
Analytics
Google Analytics
since Aug 2022
Microsoft Clarity
since May 2026
CDN
Google Hosted Libraries
since Aug 2022
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Mar 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2022
Tag managers
Google Tag Manager
since Aug 2022
Video players
YouTube
since Jun 2024
Web servers
Nginx
since Mar 2024
WordPress plugins
GTranslate
since Nov 2025
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.84 / 10 · ranked #4,125,361 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 10.3 MB · 92 requests
- WordPress theme: sg098 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics May 2026
- detected Google Tag Manager May 2026
- detected Google Tag Manager for WordPress May 2026
- detected Microsoft Clarity May 2026
- dropped AddToAny Apr 2026
- dropped AddToAny Share Buttons Apr 2026
- dropped cdnjs Apr 2026
- dropped Cloudflare Apr 2026
- detected GTranslate Nov 2025