What powers ieej.or.jp?
Last seen Jun 2026 · 16 technologies across 11 categories
Advertising
Twitter Ads
since Oct 2021
CDN
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
AlmaLinux
since Jun 2025
Security
Cloudflare Bot Management
since May 2025
reCAPTCHA
since Feb 2026
UI frameworks
Web server extensions
Web servers
Apache HTTP Server
since Aug 2018
Webmail
Microsoft 365
since Aug 2022
Widgets
Twitter
since Jul 2019
Audience
- 51% desktop
- 49% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.00 / 10 · ranked #45,683 of all domains
435 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 0.8 MB · 37 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| eneken.ieej.or.jp | 8 |
| jime.ieej.or.jp | 7 |
| edmc.ieej.or.jp | 5 |
| oil-info.ieej.or.jp | 3 |
| oil-price.ieej.or.jp | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected reCAPTCHA Feb 2026
- detected Cloudflare Jan 2026
- dropped Red Hat Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped HSTS Sep 2025