What powers 
kurochiku.co.jp?
Last seen Sep 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Jun 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Prefix-Free
since Apr 2025
Operating systems
Windows Server
since Apr 2025
Programming languages
Web frameworks
Microsoft ASP.NET
since Apr 2025
Web servers
Apache HTTP Server
since Jan 2019
Widgets
FlexSlider
since Jan 2019
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
- 60% phone
- 40% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.64 / 10 · ranked #795,994 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.7 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.174.197)
- DNS: Onamae.com
- Email: Sakura Internet
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,934,873, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kurochiku.co.jp | 8 |
| www.kurochiku.co.jp | 8 |
| weborder.kurochiku.co.jp | 5 |
Full technology history →
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