What powers semba-center.com?
Last seen Jun 2026 · 14 technologies across 13 categories
Analytics
Authentication
Facebook Login
since Jul 2021
CDN
Google Hosted Libraries
since Feb 2022
CMS
Databases
MySQL
since Jan 2019
Font scripts
Twitter Emoji (Twemoji)
since Dec 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2019
Web servers
Apache HTTP Server
since Jan 2019
WordPress plugins
Audience
- 84% phone
- 13% desktop
- 3% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.17 / 10 · ranked #1,310,609 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.6 MB · 98 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
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Recent changes
- dropped Hammer.js Oct 2025