What powers happyjpn.com?
Last seen Jun 2026 · 20 technologies across 15 categories
Analytics
Google Analytics
since Aug 2018
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Mar 2021
CMS
a-blog cms
since Jan 2019
WordPress
since Mar 2021
Databases
MySQL
since Mar 2021
Font scripts
Google Font API
since Mar 2021
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jan 2019
Rich text editors
CKEditor
since Jan 2019
Security
HSTS
since Dec 2025
SEO
Tag managers
Google Tag Manager
since Aug 2018
Video players
YouTube
since Jul 2022
Web servers
Nginx
since Aug 2018
Audience
- 73% phone
- 24% desktop
- 3% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.42 / 10 · ranked #979,027 of all domains
51 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.4 MB · 56 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.happyjpn.com | 16 |
| singerdigbook.happyjpn.com | 14 |
| singer.happyjpn.com | 7 |
Full technology history →
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Recent changes
- detected HSTS Dec 2025