What powers 
sudo-sekizai.co.jp?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Databases
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Tag managers
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 61% phone
- 39% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.43 / 10 · ranked #972,988 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.0 MB · 90 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (59.106.219.198)
- DNS: Onamae.com
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,321,418
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- detected Amazon SES Jun 2026
- detected Amazon Web Services Jun 2026
- dropped Apache HTTP Server Mar 2026
- dropped Ubuntu Mar 2026