What powers back.jp?
Last seen Jun 2026 · 29 technologies across 15 categories
CDN
jsDelivr
since Sep 2025
CMS
WordPress
since Mar 2025
Databases
MySQL
since Mar 2025
Ecommerce
Cart Functionality
since Mar 2025
Font scripts
JavaScript libraries
Maps
Google Maps
since Mar 2025
Miscellaneous
Page builders
WordPress Block Editor
since Mar 2025
Performance
Priority Hints
since Mar 2025
Programming languages
PHP
since Mar 2025
UI frameworks
Web servers
Nginx
since Mar 2025
WordPress plugins
WordPress themes
Audience
- 58% desktop
- 42% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.56 / 10 · ranked #5,996,177 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.6 MB · 53 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| treasure.back.jp | 21 |
| fivedearlife.back.jp | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped core-js Nov 2025
- dropped Moment.js Nov 2025
- dropped React Nov 2025