What powers ch-sakura.jp?
Last seen Aug 2026 · 8 technologies across 8 categories
Advertising
Twitter Ads
since Jul 2021
CDN
Cloudflare
since Mar 2025
Operating Systems
CentOS
since Feb 2017
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
Video Players
YouTube
since Jan 2016
Web Servers
Widgets
Twitter
since Jun 2018
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 51% desktop
- 49% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.33 / 10 · ranked #430,274 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 71 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Japanese Culture Channel Sakura
- Founded: 2004
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on SO-NET Sony Network Communications Inc. (150.249.233.218)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 648,518, 4 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ch-sakura.jp | 8 |
| ch-sakura.jp | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025