What powers zephyreco.co.jp?
Last seen Sep 2026 · 19 technologies across 12 categories
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,560,221 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 76 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zephyr
- Founded: 1997
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on GMO Internet (150.95.219.149)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,997,963, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- detected Twitter Emoji (Twemoji) Apr 2026
- dropped FingerprintJS Feb 2026