What powers pjr.jp?
Last seen Jun 2026 · 26 technologies across 16 categories
Advertising
Yahoo Advertising
since Apr 2022
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since Oct 2023
Cloudflare
since Oct 2023
Google Hosted Libraries
since Feb 2022
jsDelivr
since Oct 2023
Unpkg
since Oct 2023
CMS
WordPress
since Oct 2023
Databases
MySQL
since Oct 2023
Font scripts
Google Font API
since Oct 2023
Twitter Emoji (Twemoji)
since Jan 2026
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
Riot
since Sep 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Prism
since Oct 2023
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Oct 2023
SEO
Tag managers
Google Tag Manager
since Oct 2023
UI frameworks
Bootstrap
since Nov 2023
Web servers
Nginx
since Oct 2023
Audience
- 77% desktop
- 23% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.88 / 10 · ranked #666,125 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.5 MB · 134 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Autoptimize Apr 2026
- detected Bootstrap Mar 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- dropped Bootstrap Aug 2025