Privacy policy
We provide transparency into what information goes where.
Effective: October 31, 2026 · Last updated: November 1, 2026
We do not offer registration, sign-in, payments, or advertising. Experiments and search run in your browser, and only the sound setting is saved on your device. Pages with Cloudflare Web Analytics enabled collect usage and performance statistics. We also use external font and email services.
1. Purpose, items, and retention period of personal information
The operators of itslabtime.com do not create member registers, databases of laboratory records or visitor profiles. There is no function to transmit search words, experiment input values, or experiment results to the operator or save them on the server.
| division | Item/Purpose | Retention period |
|---|---|---|
| Experiment/Search | Search words, input values, measured values: Search and simulation processing within the browser | Until you close the page or reload it. Do not store or transmit separately |
| Sound effect settings | Mute or not: Keep your choice next time you visit | Stored only on the user's device until the user deletes the site storage space |
| Email inquiry | Sending email address and content written by the user: Inquiry confirmation/answer and follow-up processing | Deleted within 30 days after the inquiry has been processed. If there is a preservation obligation by law, only the relevant items are kept for the statutory period. |
Inquiries will only be accepted if the user sends an email directly. Please send only the minimum information necessary to process your inquiry. Please do not send sensitive or unnecessary personal information such as social security number, password, or health information.
2. Cookies and storage space on device
CSV measurement tables and PNG graphs are created in your browser and saved to the location you choose. Experiment data is not uploaded to a separate server to generate these downloads.
The site's application code does not set tracking cookies. Sound effect settings are stored in the browser’s local storage (localStorage). itslabtime:sfx-mutedIt is stored as a true/false value named . It does not contain personally identifiable information and is not transmitted to the Operator's servers.
You can clear your settings by going to ‘Privacy and Security → Site Data’ or ‘Website Data’ in your browser settings and deleting data for this site. You can still use the experiment even if you block saving, and your sound settings may not be retained on your next visit.
3. External services and connection information
In the process of receiving a web page, information necessary for communication, such as IP address, request time, requested file path, and browser information, may be transmitted to the web hosting/network provider. This is separate from the site's ability to save experiment records. The provider's access log processing and storage is subject to the actual provider's policies and applicable laws.
- Website delivery: Web pages and static files are delivered through Cloudflare hosting and network services. For details, see the Cloudflare Privacy Policy.
- Usage and performance statistics: On pages where Cloudflare Web Analytics is enabled, Cloudflare processes statistics such as page views, referrers, browser and device types, and loading times. The operator does not build individual visitor profiles or include experiment inputs and measurements in these statistics. See the Cloudflare Web Analytics documentation for details about data collection and retention. Cloudflare Web Analytics
- Font provided by: Pretendard font jsDelivr CDNLoaded from. When requesting a font, connection information such as IP address, browser information, and request path may be transmitted to the CDN provider. Even if external fonts are blocked, they can be used as the system default fonts.
- Email inquiry: Use the operator's Gmail. When you send an email, the address, text, and attached files are processed by the email service. Google Privacy Policyalso applies.
- External links: When you go to an external site, the privacy policy of that site applies.
Depending on the network and storage location of the external service, your information may be processed outside your country. itslabtime.com does not have a function to transmit search term/experiment input values to external services.
4. Entrustment of provision and processing to third parties
The operator does not sell user information or provide it to third parties for advertising or marketing. External services used to deliver pages and fonts, measure usage and performance, and handle email inquiries may process information within the scope described in section 3. Valid legal requests are handled according to the applicable laws and procedures.
5. Destruction of personal information and safety measures
Email inquiry history is deleted from the mailbox and trash bin managed by the administrator when the retention period ends. The service provider's backup storage and deletion procedures are in accordance with the applicable policy. Sound effect settings saved on the user's device will be removed when the user deletes the site data.
The operator uses the inquiry content only for inquiry processing, restricts access, and minimizes information by not collecting unnecessary personal information or using external transmission functions.
6. Rights of users and legal representatives
Users may request to view, correct, delete, or suspend processing of their inquiry information processed by the operator through the contact information below. Legal representatives of children under 14 years of age can also exercise their rights. The site does not operate a membership registration process for children or separate personal information collection procedures.
Upon request, only the minimum amount of information required to confirm the inquiry will be verified, and the inquiry will be processed without delay and the results will be provided in accordance with relevant laws and regulations. If we are unable to fully fulfill your request due to legal preservation obligations, etc., we will inform you of the reason.
7. Personal information protection/grievance handling contact information
- Operator and Personal Information Protection Officer
- Jaemin Lee
- View/deletion requests and personal information inquiries
- drendrendrencom@gmail.com
Consultation regarding personal information infringement Personal Information Infringement Reporting Center(118 without area code), dispute mediation Personal Information Dispute Mediation CommitteeYou can get it from .
8. Change in policy
If processing items, purpose, retention period or external services change, this document and revision date will be updated. Changes that significantly affect users' rights will be notified on the site before implementation or immediately after the change, and processing that requires separate consent will begin after consent is obtained.
First published: October 31, 2026.