What powers 
nakayamagumi.co.jp?
Last seen Sep 2026 · 23 technologies across 12 categories
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
UI frameworks
Web servers
Webmail
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% phone
- 50% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.79 / 10 · ranked #721,517 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 113 requests
- WordPress theme: tm_nkym · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 株式会社中山組
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GMOOSK-NET GMO Internet Group, Inc. (157.120.209.94)
- DNS: ucom.ne.jp
- Email: Trend Micro Email Security
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,315,723, 3 hosts
- Verified with: Apple Business, Trend Micro Email Security
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Jetpack Sep 2026
- detected Twitter Emoji (Twemoji) Aug 2026
- detected Jetpack Apr 2026
- dropped Apache HTTP Server Nov 2025
- dropped Jetpack Nov 2025
- dropped Twitter Emoji (Twemoji) Nov 2025