What powers gcerti.co.jp?
Last seen Jun 2026 · 6 technologies across 5 categories
Analytics
Google Analytics
since Jun 2021
Font scripts
Google Font API
since Nov 2022
JavaScript libraries
Miscellaneous
Prefix-Free
since Nov 2021
Web servers
Apache HTTP Server
since Jun 2021
Audience
- 66% desktop
- 34% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.0 MB · 90 requests
Homepage as crawled by the HTTP Archive, Jul 2026.