What powers yamdas.org?
Last seen Aug 2026 · 3 technologies across 3 categories
Hosting
Sakura Internet
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
Web servers
Nginx
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #553,195 of all domains
75 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.1 MB · 8 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025
- dropped RSS Dec 2025