What powers ace21.co.jp?
Last seen Jun 2026 · 26 technologies across 18 categories
Advertising
Twitter Ads
since Sep 2021
Analytics
Google Analytics
since May 2021
Microsoft Clarity
since Jul 2024
Authentication
Facebook Login
since Sep 2021
CDN
Cloudflare
since Mar 2025
CMS
WordPress
since May 2021
Databases
MySQL
since May 2021
Font scripts
Hosting
Xserver
since Feb 2023
JavaScript frameworks
React
since Sep 2021
JavaScript libraries
Slick
since May 2021
Live chat
Channel.io
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since May 2021
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Aug 2022
Web servers
Nginx
since Feb 2023
Widgets
Twitter
since May 2021
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.95 / 10 · ranked #13,666,787 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.4 MB · 181 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025