What powers zakkoku.jp?
Last seen Sep 2026 · 13 technologies across 11 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
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
- 73% desktop
- 27% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.39 / 10 · ranked #1,021,653 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0.05 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.0 MB · 107 requests
- WordPress theme: monolith_tcd042 · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (183.90.231.57)
- DNS: xbiz.ne.jp
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,145,308, 5 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Site Kit Aug 2026
- detected Priority Hints Dec 2025