What powers kougeisha.jp?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
Google Analytics
since Dec 2022
Hosting
Sakura Internet
since Dec 2022
JavaScript frameworks
React
since Dec 2022
JavaScript libraries
Miscellaneous
Mobile frameworks
Wink
since Dec 2022
Programming languages
Node.js
since Sep 2023
Tag managers
Google Tag Manager
since Dec 2022
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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
1.74 / 10 · ranked #4,721,142 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| CLS | 0.1 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.9 MB · 42 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.128.60)
- Email: kougeisha.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,812,571
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Facebook Login Sep 2026
- dropped Twitter Sep 2026
- dropped Twitter Ads Sep 2026
- dropped Cloudflare Feb 2026
- dropped Cloudflare Bot Management Feb 2026