Privacy Policy

Effective: April 13, 2026  |  Last updated: May 5, 2026

1. Information Collected and Purpose

InformationPurposeRetention
Email addressSending report access codeDeleted upon code expiry (30 days)
Date of birthEnergy structure analysis and report generationDeleted upon code expiry (30 days)
Country/Region (optional)Improving analysis accuracy and regional energy distribution statisticsDeleted upon code expiry (30 days)
Gender (optional)Improving analysis accuracy and statistical analysisDeleted upon code expiry (30 days)
Access logs (IP, browser)Service operation and security6 months

2. Retention Period

DYU collects email and date of birth for issuing and sending report access codes. Country, region, and gender are optional fields collected to improve analysis accuracy and for service improvement statistics. Collected information is automatically deleted after the access code validity period (30 days from issuance). Access logs are retained for 6 months for service operation and security purposes.

3. Third-Party Disclosure

DYU does not provide personal information to third parties, except when required by law or requested by investigative authorities.

4. Use of Cookies

DYU uses the following cookies for service analysis and improvement. Non-essential cookies are only installed after user consent.

CookieProviderPurposeRetentionCategory
_ga, _ga_*GoogleVisitor analytics, pageview measurement2 yearsAnalytics
_clck, _clskMicrosoftHeatmaps, session recordings, UX analysis1 yearFunctional
_fbp (future)MetaAd targeting, conversion tracking90 daysMarketing

Cookie consent can be selected via the banner shown on your first visit, and can be changed at any time through the "Cookie Settings" link at the bottom of each page. Basic services remain available even with cookies disabled.

5. User Rights

To exercise these rights, please contact us at the address below.

6. Privacy Officer and Contact

For inquiries regarding personal information processing, please contact:

7. Policy Changes

This privacy policy may be updated in accordance with changes in laws and policies. Changes will be announced at least 7 days before the effective date.