What powers dozen.ed.jp?
Last seen Jun 2026 · 25 technologies across 16 categories
Advertising
Twitter Ads
since Jun 2023
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jan 2022
CDN
CMS
WordPress
since Feb 2019
Databases
MySQL
since Feb 2019
Font scripts
Google Font API
since Oct 2020
JavaScript libraries
Maps
Google Maps
since Oct 2020
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Debian
since Jan 2019
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Widgets
Twitter
since Jun 2023
Audience
- 59% phone
- 41% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.13 / 10 · ranked #491,026 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 18.7 MB · 100 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| miryokuka.dozen.ed.jp | 15 |
| www.dozen.ed.jp | 14 |
| okilc.dozen.ed.jp | 13 |
Full technology history →
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Recent changes
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025