What powers 1st.co.jp?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CMS
Databases
MySQL
since Dec 2025
Font scripts
Google Font API
since Dec 2025
Hosting
WordPress Multisite
since Dec 2025
JavaScript libraries
Maps
Google Maps
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Dec 2025
Tag managers
Google Tag Manager
since Dec 2025
Audience
- 69% phone
- 31% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.85 / 10 · ranked #1,880,278 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 14.5 MB · 68 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped HSTS Jan 2026
- dropped lit-element Jan 2026
- dropped lit-html Jan 2026
- dropped Nginx Jan 2026
- dropped RSS Jan 2026
- detected Google Font API Dec 2025
- detected Google Tag Manager Dec 2025
- detected jQuery Migrate Dec 2025
- detected MySQL Dec 2025
- detected PHP Dec 2025
- detected Splide Dec 2025
- detected WordPress Dec 2025
- detected WordPress Multisite Dec 2025