What powers 
zchain.co.jp?
Last seen Sep 2026 · 30 technologies across 17 categories
Advertising
Analytics
CDN
Font scripts
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Programming languages
RUM
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 89% phone
- 10% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.16 / 10 · ranked #232,740 of all domains
81 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 2.2 MB · 24 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: zchain.co.jp
- Email: cybermail.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 94,934, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zchain.co.jp | 15 |
| ptl.zchain.co.jp | 14 |
| recruit.zchain.co.jp | 7 |
| cocona.zchain.co.jp | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Apr 2026
- detected New Relic Dec 2025
- dropped Cloudflare Bot Management Nov 2025