What powers cek.co.jp?
Last seen Jun 2026 · 17 technologies across 12 categories
Analytics
Google Analytics
since Mar 2020
Font scripts
Google Font API
since Jan 2024
Issue trackers
Sentry
since Sep 2023
JavaScript frameworks
Vue.js
since Apr 2020
JavaScript libraries
Miscellaneous
PaaS
Heroku
since Jan 2024
Programming languages
Security
HSTS
since Jan 2024
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Element UI
since Jul 2023
Web servers
Audience
- 52% phone
- 48% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.06 / 10 · ranked #529,605 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0.4 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.4 MB · 279 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| faq.cek.co.jp | 9 |
| cek.co.jp | 7 |
| livecamera.cek.co.jp | 3 |