What powers umigatari.jp?
Last seen Oct 2026 · 11 technologies across 10 categories
Advertising
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web servers
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
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
Policy unknown
Audience
- 91% phone
- 8% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.33 / 10 · ranked #184,024 of all domains
124 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Akamai
- Weight: 10.7 MB · 76 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Joetsu Aquarium
- Founded: 2018
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Akamai (23.61.251.11)
- DNS: Akamai Edge DNS
- Email: securemx.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,343,904, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026