What powers 
rikudenko.co.jp?
Last seen Sep 2026 · 9 technologies across 7 categories
Analytics
Google Analytics
since Feb 2019
Hosting panels
Plesk
since Feb 2019
JavaScript libraries
Tag managers
Google Tag Manager
since Feb 2019
Video players
JW Player
since Jun 2021
Web servers
Apache HTTP Server
since Feb 2019
Webmail
Apple iCloud Mail
since Jan 2023
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 57% desktop
- 43% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.11 / 10 · ranked #502,182 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 6.4 MB · 99 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Hokuriku Electrical Construction
- Founded: 1944
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: fitweb.net
- Email: fitweb.or.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 10,409,240
- Verified with: Apple Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted