What powers 
r7ticket.jp?
Last seen Sep 2026 · 16 technologies across 11 categories
Databases
Firebase
since Jul 2024
Development
JSS
since Jul 2024
Font scripts
Font Awesome
since Jul 2024
Hosting
Sakura Internet
since Dec 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Node.js
since Dec 2022
Security
HSTS
since Jul 2024
UI frameworks
MUI
since Jul 2024
Web servers
Nginx
since Dec 2022
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
- Oct 2026 *: Restricted (was Allowed)
- Oct 2026 *: Allowed (was Restricted)
- Oct 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 78% phone
- 22% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.21 / 10 · ranked #452,004 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.3 MB · 16 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (133.242.211.67)
- DNS: Sakura Internet
- Email: retro-ink.com
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 2,365,246, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tools.r7ticket.jp | 11 |
| r7ticket.jp | 10 |