What powers 40010rk.com?
Last seen Aug 2026 · 4 technologies across 4 categories
Analytics
CDN
Google Hosted Libraries
since Aug 2022
JavaScript libraries
Web servers
Apache HTTP Server
since Sep 2020
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
1.34 / 10 · ranked #8,136,327 of all domains
10 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 6.3 MB · 66 requests
Homepage as crawled by the HTTP Archive, Sep 2026.