What powers 
qa4ai.jp?
Last seen Sep 2026 · 5 technologies across 3 categories
Font scripts
Google Font API
since Nov 2022
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2024
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.48 / 10 · ranked #917,099 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0.05 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 4.1 MB · 30 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: Onamae.com
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,024,803, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Sites Apr 2026