What powers j-rex.co.jp?
Last seen Jun 2026 · 19 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Mar 2022
CMS
a-blog cms
since Jan 2023
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2023
RSS
since Jan 2023
Programming languages
PHP
since Jan 2023
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Jan 2023
Webmail
Microsoft 365
since Aug 2022
Audience
- 57% phone
- 43% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.87 / 10 · ranked #1,840,625 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 21.3 MB · 124 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| saiyou.j-rex.co.jp | 16 |
| www.j-rex.co.jp | 9 |
Full technology history →
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Recent changes
- dropped Amazon S3 Jan 2026
- dropped Amazon Web Services Jan 2026