What powers 1st-1.co.jp?
Last seen Jun 2026 · 15 technologies across 10 categories
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Aug 2022
Twitter Emoji (Twemoji)
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Video players
YouTube
since Aug 2022
Web servers
Apache HTTP Server
since Aug 2022
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Smart Slider 3
since Aug 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.99 / 10 · ranked #12,766,263 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0.25 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 9.6 MB · 109 requests
- WordPress theme: biz-vektor (child: biz-vektor_child) · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025