Donghyun Lee (the “Operator”) considers the personal information of donghyunlee.kr users important and publishes this Privacy Policy in accordance with Korea’s Personal Information Protection Act and other applicable laws.
This policy applies to donghyunlee.kr. The site does not provide user registration, comments, payments, or an inquiry form.
1. Personal information processed and purposes#
Site usage analytics#
The Operator uses Google Analytics 4 to understand site usage and improve the content and user experience. Related information is collected automatically when a user accesses the site. Users who do not want this collection may opt out using the methods in Section 5 below.
- Data processed: a randomly generated client identifier; pages and page titles viewed; dates and times of visits and interactions; referral source; browser, operating system, device, and screen information; and approximate location
- Purpose: compiling visitor statistics, analyzing content usage, and improving the site
- Method: automatic collection through the Google tag and first-party cookies (
_ga,_ga_<measurement ID>) when the site is accessed
Google states that Google Analytics may use an IP address during network communication and to determine approximate location, but does not log or store individual IP addresses. The Operator does not send Google Analytics information that directly identifies a person, such as a name, email address, or telephone number.
Email inquiries#
When a user directly contacts the email address displayed on the site, the sender’s email address, name, affiliation, and inquiry may be processed. This information is used only to review and answer the inquiry. Please do not include sensitive or unnecessary personal information in an email.
If an inquiry concerns laboratory or company work, the Operator will direct the user to the appropriate official contact channel and will not forward the inquiry to another entity without the user’s separate consent.
2. Processing and retention periods#
- Google Analytics user- and event-level data: 14 months from collection
- Google Analytics cookies: up to 14 months from creation; the expiration period is not extended with each visit
- Email inquiry information: deleted without delay after the purpose of the inquiry has been fulfilled, unless retention is required for a contract, dispute, or under applicable law
Statistics that are not directly tied to a personal identifier, such as standard aggregated Google Analytics reports, may be retained longer under Google’s policies.
3. Google Analytics and processing outside Korea#
When a user accesses the site, information may be processed outside Korea as follows:
- Recipient: Google LLC (1600 Amphitheatre Parkway, Mountain View, CA 94043, USA)
- Country: United States
- Data transferred: the data listed under “Site usage analytics” above
- Timing and method: transmitted through an encrypted network while the site is being used
- Purpose: providing Google Analytics, processing visitor statistics, and generating reports
- Retention and use period: 14 months for user- and event-level data
- Opt-out method and effect: users may opt out using the methods in Section 5. Opting out does not limit use of the site.
For information on how Google processes data, see How Google uses information from sites or apps that use its services.
4. Provision to third parties and outsourced processing#
The Operator does not provide users’ personal information to third parties beyond its original purpose, except with the user’s consent or where specifically permitted by law.
Site analytics are processed through Google Analytics, provided by Google LLC. Google processes analytics data according to the Operator’s settings and the contracts and policies that apply to Google Analytics.
5. How to opt out of collection#
Users may opt out of Google Analytics data collection in any of the following ways. None of these methods limits use of the site.
- Block or delete this site’s cookies in browser settings
- Use the browser’s tracking-prevention feature or private/incognito mode
- Install the Google Analytics Opt-out Browser Add-on
6. User rights and how to exercise them#
Users may request access to, correction or deletion of, suspension of processing of, or withdrawal of consent regarding their personal information. Please send requests to the email address below. When identity verification is necessary, the Operator may request the minimum information required and will provide the result in accordance with applicable law.
7. Personal information protection and inquiries#
- Personal information controller and contact: Donghyun Lee
- Email: donghyunlee.ai@gmail.com
The Operator limits access to personal information to what is necessary and maintains security measures available for the site and email account.
8. Changes to this policy#
If this policy changes, the changes and their effective date will be published on this page.
- Effective date: July 27, 2026
- Last revised: August 24, 2026 (Google Analytics retention changed from two months to 14 months; cookie lifetime changed from 60 days to a maximum of 14 months; the consent-banner approach changed to notice and opt-out guidance.)