What powers zenpen-kosen.com?
Last seen Jun 2026 · 18 technologies across 12 categories
Analytics
Google Analytics
since Feb 2019
CDN
CMS
WordPress
since Feb 2019
Databases
MySQL
since Feb 2019
Font scripts
Hosting
Sakura Internet
since Dec 2023
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2023
RSS
since Dec 2023
Performance
Priority Hints
since Dec 2023
Programming languages
Web servers
Nginx
since Jun 2019
WordPress plugins
Contact Form 7
since Dec 2023
Audience
- 67% phone
- 33% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.40 / 10 · ranked #36,257,819 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 5.4 MB · 66 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudflare Bot Management Oct 2025
- dropped Twitter Oct 2025
- dropped Twitter Ads Oct 2025