What powers 
kk-spc.co.jp?
Last seen Sep 2026 · 15 technologies across 12 categories
Advertising
Tapad
since Dec 2024
Analytics
Google Analytics
since Jan 2019
CDN
jQuery CDN
since Jan 2024
Font scripts
Google Font API
since Jan 2019
Hosting panels
Plesk
since Jan 2019
JavaScript libraries
Marketing automation
HubSpot
since Jun 2023
Programming languages
Tag managers
Google Tag Manager
since May 2020
Web frameworks
Laravel
since Apr 2024
Web servers
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
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 checked
- ai.txt not checked
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
3.95 / 10 · ranked #610,784 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 23.8 MB · 90 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TSUKAERUNET Tsukaeru.net, Web Hosting Company, Japan (119.82.24.131)
- DNS: tsukaeru.ne.jp
- Email: mailbuster.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,584,715, 5 hosts
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| recruit.kk-spc.co.jp | 15 |
| www.kk-spc.co.jp | 14 |
Full technology history →
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Recent changes
- detected core-js Oct 2025
- detected Facebook Pixel Oct 2025