What powers ct-21.jp?
Last seen Jun 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Apr 2026
Microsoft Clarity
since Apr 2026
Font scripts
Google Font API
since Apr 2026
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
GSAP
since Apr 2026
JavaScript libraries
Swiper
since May 2023
Miscellaneous
Open Graph
since Apr 2026
Tag managers
Google Tag Manager
since Apr 2026
Web servers
Nginx
since Jan 2019
Audience
- 94% phone
- 5% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.36 / 10 · ranked #1,055,153 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 41.5 MB · 146 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ct-21.jp | 9 |
| www.ct-21.jp | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Apr 2026
- detected Google Font API Apr 2026
- detected Google Tag Manager Apr 2026
- detected GSAP Apr 2026
- detected Microsoft Clarity Apr 2026
- detected Open Graph Apr 2026