What powers ichikawa-c.co.jp?
Last seen Aug 2026 · 23 technologies across 18 categories
Analytics
Authentication
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
SEO
Tag managers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.35 / 10 · ranked #2,785,021 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 13.9 MB · 152 requests
- WordPress theme: lightning (child: lightning-child-sample) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 【群馬県太田市】リフォーム・リノベーション・新築注文住宅・耐震補強は市川建設株式会社へ
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GMO Internet (157.7.107.90)
- DNS: Lolipop
- Email: Lolipop
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 11,712,066, 2 hosts
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 Trustindex May 2026
- dropped WP Fastest Cache May 2026
- detected Font Awesome Apr 2026
- dropped Font Awesome Mar 2026
- dropped Twitter Emoji (Twemoji) Mar 2026
- detected Backbone.js Feb 2026
- detected Site Kit Feb 2026
- detected Underscore.js Feb 2026
- detected WP Fastest Cache Feb 2026
- detected Twitter Emoji (Twemoji) Jan 2026