What powers rdec.co.jp?
Last seen Dec 2025 · 11 technologies across 8 categories
CDN
jQuery CDN
since Feb 2022
jsDelivr
since Jan 2022
Ecommerce
Cart Functionality
since Nov 2023
Font scripts
Google Font API
since Jan 2022
Hosting panels
Plesk
since Jan 2022
JavaScript libraries
Programming languages
Security
HSTS
since Feb 2023
Web servers
Apache HTTP Server
since Sep 2020
Nginx
since Jan 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.16 / 10 · ranked #1,331,455 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.5 MB · 54 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TSUKAERUNET Tsukaeru.net, Web Hosting Company, Japan (119.82.26.23)
- Email: alpha-prm.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 17,153,993, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rdec.co.jp | 9 |
| www.rdec.co.jp | 8 |
| ec.rdec.co.jp | 3 |