What powers sakurak.jp?
Last seen Sep 2026 · 10 technologies across 9 categories
Analytics
Google Analytics
since Apr 2019
CDN
jQuery CDN
since Sep 2025
CMS
Concrete CMS
since Apr 2019
Hosting
Xserver
since Aug 2022
JavaScript frameworks
JavaScript libraries
Programming languages
PHP
since Apr 2019
UI frameworks
Tailwind CSS
since Nov 2023
Web servers
Nginx
since Oct 2021
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 83% phone
- 17% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.47 / 10 · ranked #2,551,916 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 7.3 MB · 92 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (183.181.96.73)
- DNS: Xserver
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,835,898, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sakurak.jp | 10 |
| www.sakurak.jp | 10 |