What powers 1-st.co.jp?
Last seen May 2026 · 10 technologies across 9 categories
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Hosting
Xserver
since Aug 2022
JavaScript libraries
Programming languages
PHP
since Aug 2022
Security
HSTS
since May 2026
Web servers
Nginx
since Aug 2022
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WP-PageNavi
since Aug 2022
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.90 / 10 · ranked #14,740,317 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- dropped All in One SEO Sep 2025
- dropped jQuery Sep 2025
- dropped MySQL Sep 2025
- dropped PHP Sep 2025
- dropped WordPress Sep 2025
- dropped WP-PageNavi Sep 2025