What powers sekino.co.jp?
Last seen Sep 2026 · 15 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CMS
WordPress
since Jul 2016
Databases
MySQL
since Jan 2019
Font scripts
Bootstrap Icons
since Jan 2025
Google Font API
since Jan 2025
JavaScript graphics
JavaScript libraries
Programming languages
PHP
since Jan 2019
UI frameworks
Video players
Web servers
Apache HTTP Server
since Jul 2016
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% desktop
- 23% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.47 / 10 · ranked #406,866 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 11.5 MB · 142 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: hitwave.or.jp
- Email: hitwave.or.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,524,846, 2 hosts
- Verified with: Google, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| recruit.sekino.co.jp | 15 |
| www.sekino.co.jp | 13 |
| activegate.sekino.co.jp | 1 |