What powers koei-corp.jp?
Last seen Aug 2026 · 22 technologies across 16 categories
Analytics
CDN
Amazon S3
since May 2025
cdnjs
since May 2025
Cloudflare
since May 2025
Google Hosted Libraries
since May 2025
jQuery CDN
since Feb 2022
CMS
WordPress
since Jul 2020
Databases
MySQL
since Jul 2020
Font scripts
Google Font API
since May 2025
Hosting panels
Plesk
since Jan 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since May 2025
RSS
since May 2025
PaaS
Amazon Web Services
since May 2025
Page builders
WordPress Block Editor
since May 2025
Programming languages
Security
reCAPTCHA
since Aug 2022
Video players
YouTube
since May 2025
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 59% desktop
- 41% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.05 / 10 · ranked #1,509,453 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 4.8 MB · 81 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CLARA-AS-AP CLARA, Inc. (182.50.105.75)
- DNS: koei-corp.jp
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (neutral), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,875,853, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| recruit.koei-corp.jp | 18 |
| www.koei-corp.jp | 10 |