What powers 
shiragiku.co.jp?
Last seen Sep 2026 · 25 technologies across 14 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
SEO
Tag managers
Web servers
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 found
- ai.txt not found
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 73% phone
- 25% desktop
- 2% tablet
Japan
Bangladesh
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #856,017 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 22.2 MB · 79 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (85.131.221.19)
- DNS: Xserver
- Email: shiragiku.co.jp
- Email security: SPF (soft fail), no DMARC record, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,415,574, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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