What powers 
supernova-kawasaki.jp?
Last seen Oct 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Aug 2023
CDN
Cloudflare
since Sep 2023
Databases
Firebase
since Jul 2023
Issue trackers
Sentry
since Sep 2023
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Jul 2023
Miscellaneous
Programming languages
Node.js
since Jul 2023
Security
Cloudflare Bot Management
since Sep 2023
HSTS
since Jul 2023
Video players
Vimeo
since Sep 2023
Webmail
Google Workspace
since Jul 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 78% phone
- 22% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.11 / 10 · ranked #502,063 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Fastly
- Weight: 24.9 MB · 86 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (199.36.158.100)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,976,966, 2 hosts
- Verified with: Firebase, Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| supernova-kawasaki.jp | 16 |
| ticket.supernova-kawasaki.jp | 11 |