What powers 13cm.jp?
Last seen Jun 2026 · 16 technologies across 13 categories
Advertising
Amazon Advertising
since Jun 2021
Twitter Ads
since Jun 2021
Authentication
Facebook Login
since Jun 2021
Google Sign-in
since Feb 2021
CDN
Cloudflare
since Mar 2025
CMS
Databases
MySQL
since Jan 2019
Font scripts
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Aug 2022
Widgets
Twitter
since Jan 2019
WordPress themes
CyberChimps Responsive
since Feb 2022
Audience
- 55% desktop
- 45% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.96 / 10 · ranked #1,667,226 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.1 MB · 75 requests
- Structured data: Microdata
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