What powers zerohz.tokyo?
Last seen Oct 2026 · 14 technologies across 9 categories
CDN
Font scripts
Google Font API
since Jul 2022
Issue trackers
Sentry
since Jul 2022
JavaScript frameworks
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Jul 2022
Programming languages
Node.js
since Jul 2022
UI frameworks
MUI
since Jul 2022
Video players
YouTube
since Jul 2022
Widgets
Spotify Widgets
since Jul 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
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.76 / 10 · ranked #2,068,178 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.3 MB · 134 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (13.248.206.60)
- DNS: Muumuu Domain
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,983,089
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted