Privacy & Site Policy
Policies for analytics, advertising, contact, and external services.
Privacy & Site Policy
Last updated: June 22, 2026
Basic policy
This site introduces the operator's activity, research, and independent software projects. It avoids collecting unnecessary personal information and explains the scope of contact channels and external services.
Analytics and logs
Hosting, CDN, authentication, and API services such as Cloudflare, Firebase, and Google Cloud may process standard access logs and technical information. This is used for abuse prevention, troubleshooting, and quality improvement.
Advertising
This site may use advertising services such as Google AdSense. Advertising providers may use cookies or similar technologies to show ads based on previous access information. Ad personalization can be managed through Google's ad settings.
Contact
Messages sent by email, GitHub, LinkedIn, or other channels are used to reply, verify the sender, understand the request, and handle troubleshooting. Contact content is not sold to third parties unless required by law.
External links
This site links to external services such as GitHub, Zenn, LinkedIn, public projects, and API documentation. Please check each external service's own policy for how it handles information.
Updates
This policy may be updated when the site structure, services, laws, or platform policies change. Important changes are reflected on this page.