Privacy Policy
Last updated: May 11, 2026
PchamDB (the "Site") respects the privacy of its users and is committed to protecting personal information. This Privacy Policy describes how information is handled on the Site.
1. Information Collected
The Site may collect the following information:
1-1. Access Logs
- IP address
- Browser type and version
- Operating system type
- Referrer (origin of access)
- Date and time of access
- Pages viewed
This information is used solely for improving Site operations and statistical analysis.
1-2. Cookies and LocalStorage
The Site uses cookies and LocalStorage to enhance the user experience.
- LocalStorage: Stores checklist feature state (e.g., C1/C2/C3) within the user's browser only. It is never sent to the server.
- Cookies: May be used for access analysis and ad delivery (details below).
Cookies can be disabled in your browser settings. Even with cookies disabled, basic functions of the Site remain available, although some features may be limited.
1-3. Collection of Personal Information
Except for cases where users contact us through the inquiry form, the Site does not directly collect personally identifiable information such as names or email addresses.
2. Analytics Tools
The Site uses analytics tools to understand usage patterns.
2-1. Google Analytics
The Site uses "Google Analytics," provided by Google LLC. This tool uses cookies to collect traffic data. The traffic data is collected anonymously and does not identify individuals.
To disable Google Analytics, you can install the Google Analytics opt-out browser add-on.
2-2. Cloudflare Analytics
The Site may use "Cloudflare Web Analytics," provided by Cloudflare, Inc. This service does not use cookies and gathers access statistics in a privacy-respecting manner.
3. Affiliate Programs
The Site is a participant in the Amazon Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.co.jp.
Amazon.co.jp links on the Site are provided through the Amazon Associates Program. When a link is clicked and a product is purchased, the Site may receive a referral fee from Amazon.co.jp.
Under the Amazon Associates Program, when users access Amazon product pages, Amazon.co.jp may use cookies to collect access information. For details about the information collected, please refer to the Amazon Privacy Notice.
The Site is a participant in the Rakuten Affiliate Program operated by Rakuten Group, Inc. The Site may receive a referral fee when users make purchases on Rakuten Ichiba through our links.
When you click on a Rakuten affiliate link, Rakuten may use cookies to collect access information. For details about the information collected, please refer to the Rakuten Privacy Policy.
4. Disclosure to Third Parties
The Site shall not disclose collected information to third parties except in the following cases:
- When the user has given consent
- When disclosure is required by law
- When necessary to protect human life, body, or property, and consent from the individual is difficult to obtain
- When provided to business contractors (Google Analytics, Cloudflare, Amazon, etc.) within the scope necessary for providing the service
5. External Links
The Site may contain links to third-party websites. This Privacy Policy does not apply to information handled on linked websites. Please review the privacy policies of those websites separately.
6. Disclaimer
The Site assumes no responsibility for any damages resulting from the user's use of the Site. For details, please refer to the Disclaimer.
7. Revisions
The Site may modify this Privacy Policy as necessary. The revised Privacy Policy shall take effect from the moment it is posted on the Site.
8. Contact
For inquiries regarding this Policy, please use the dedicated form. The Site does not publish an email address. To prevent spam, inquiries are accepted via Google Forms.