What powers rosen.co.jp?
Last seen Jun 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Swiper
since Jan 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jun 2025
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Jan 2019
UI frameworks
Bootstrap
since Feb 2021
Web servers
Nginx
since Oct 2020
WordPress plugins
MetaSlider
since Feb 2022
Audience
- 91% phone
- 7% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.59 / 10 · ranked #388,379 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 81 requests
- WordPress theme: biz-vektor (child: srosen) · 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 WordPress Block Editor Jun 2026
- dropped WordPress Block Editor Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected WordPress Block Editor Oct 2025
- dropped WordPress Block Editor Sep 2025