What powers karakusa.net?
Last seen Oct 2026 · 11 technologies across 8 categories
Analytics
Blogs
CDN
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Web servers
AI Crawlers
Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- CCBot Blocked
- ClaudeBot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 23 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
10 of 33 AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.68 / 10 · ranked #19,985,605 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 0.6 MB · 31 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google (216.239.32.21)
- DNS: Onamae.com
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,743,086, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.karakusa.net | 11 |
| memo.karakusa.net | 10 |