What powers sumidacity-gym.com?
Last seen Sep 2026 · 8 technologies across 7 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Operating systems
Red Hat
since Jan 2019
Tag managers
Google Tag Manager
since Apr 2024
Web server extensions
Web servers
Nginx
since Jan 2019
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 79% phone
- 21% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.42 / 10 · ranked #981,647 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.1 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (112.78.125.13)
- DNS: Sakura Internet
- Email: sumidacity-gym.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,126,354, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sumidacity-gym.com | 5 |
| yoyaku.sumidacity-gym.com | 3 |