What powers koshoku-ken.co.jp?
Last seen Sep 2026 · 26 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Web servers
WordPress plugins
WordPress themes
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
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.95 / 10 · ranked #3,724,132 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 27.9 MB · 347 requests
- WordPress theme: lightning (child: lightning-child-sample) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (183.90.235.34)
- DNS: Amazon Route 53
- Email: koshoku-ken.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 259,663, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026
- dropped AddToAny Jan 2026
- dropped AddToAny Share Buttons Jan 2026
- dropped Astra Jan 2026
- dropped core-js Jan 2026
- dropped Draftpress HFCM Jan 2026
- dropped Elementor Jan 2026
- dropped Elementor Header & Footer Builder Jan 2026
- dropped Google Maps Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped jQuery UI Jan 2026
- dropped Lightbox Jan 2026
- dropped MonsterInsights Jan 2026
- dropped WordPress Super Cache Jan 2026
- dropped Yoast SEO Jan 2026
- detected cdnjs Dec 2025
- detected Clipboard.js Dec 2025
- detected Cloudflare Dec 2025
- detected Contact Form 7 Dec 2025
- detected Font Awesome Dec 2025
- detected jQuery CDN Dec 2025
- detected jsDelivr Dec 2025
- detected Lightning Dec 2025
- detected Slick Dec 2025
- detected Swiper Dec 2025
- detected TablePress Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected WordPress Block Editor Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped GSAP Nov 2025