What powers 
n-ark.jp?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Aug 2022
CDN
Cloudflare
since Jul 2023
CMS
Contentful
since Jul 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Vercel
since Jul 2023
Programming languages
Node.js
since Jul 2023
Security
Cloudflare Bot Management
since Jul 2023
HSTS
since Jul 2023
Video players
Vimeo
since Jul 2023
Webmail
Google Workspace
since Aug 2022
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
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.74 / 10 · ranked #745,860 of all domains
51 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0.75 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 20.4 MB · 98 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: conoha.io
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 7,850,045, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted