What powers ossk-33.jp?
Last seen Aug 2026 · 13 technologies across 12 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Programming languages
Security
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.67 / 10 · ranked #2,214,823 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 9.8 MB · 133 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 社会福祉法人岡山県視覚障害者協会
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Sakura Internet (59.106.171.88)
- DNS: Sakura Internet
- Email: ossk-33.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,353,140
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted