What powers 
tsuneishi-g.jp?
Last seen Sep 2026 · 36 technologies across 16 categories
Analytics
CDN
CMS
Databases
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Reverse proxies
Security
UI frameworks
Web servers
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
- 56% desktop
- 44% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #357,168 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.1 MB · 53 requests
- WordPress theme: tsuneishi · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 常石グループ (Tsuneishi Holdings on Wikidata)
- Founded: 1942
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- DNS: Onamae.com
- Email: secure.ne.jp
- Email security: no SPF record, no DMARC record
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,197,911, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tsuneishi-g.jp | 22 |
| note.tsuneishi-g.jp | 17 |
Full technology history →
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Recent changes
- dropped Image Placeholders Sep 2026
- dropped Modern Image Formats Sep 2026
- dropped Performance Lab Sep 2026
- dropped Speculative Loading Sep 2026
- dropped jQuery Migrate Jul 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- detected PWA Jan 2026
- dropped HSTS Nov 2025