Privacy Policy

Welcome to Display Test (hereinafter referred to as "we," "us," or "this website"). We value your privacy and are committed to protecting it. This Privacy Policy explains how we collect, use, store, and protect your personal information.

This website is a free screen testing and display detection platform, offering tools such as dead pixel detection, backlight bleed testing, ghosting testing, refresh rate testing, HDR testing, color gamut detection, and resolution testing. You can use all features without registering or logging in. Please read this Privacy Policy carefully to understand how we handle your information.

1. Information We Collect

1.1 Information You Provide

Since this website can be used without registration or login, we do not collect personal information you actively provide, such as your name, email address, phone number, etc.

1.2 Automatically Collected Information

When you visit and use this website, we may automatically collect the following technical information through third-party analytics tools:

• Device Information: Includes device type, operating system version, browser type and version, screen resolution, etc.
• Usage Data: Includes access time, visit duration, pages visited, tools used (such as dead pixel detection, backlight bleed testing, refresh rate testing, etc.).
• IP Address: Your IP address is anonymized and used for approximate geographic location analysis and abuse prevention.
• Cookies and Similar Technologies: We use cookies to remember your language preferences and site settings.

2. How We Use Information

We collect the above information for the following purposes:

• Improving and optimizing the website's user experience and tool performance;
• Analyzing user behavior to understand which tools are most popular (such as dead pixel detection, backlight bleed testing, refresh rate testing, etc.);
• Maintaining website security and preventing malicious attacks and abuse;
• Remembering your language preferences to provide a personalized experience;
• Tracking website traffic and usage trends.

3. Third-Party Services

This website uses the following third-party services, which may set cookies on your device or collect anonymous usage data:

• Google Analytics: Used to analyze website traffic and user behavior. The information collected by Google Analytics is anonymous and will not be associated with your personal identity. View Google Privacy Policy
• Vercel / Netlify: Website hosting services that may collect standard access logs.

We only select reputable third-party service providers and require them to comply with applicable privacy laws and regulations.

4. Cookie Usage

Cookies are small text files stored on your device. This website uses cookies to:

• Remember your selected language preference (Chinese or English);
• Analyze website usage to improve services.

You can manage or disable cookies through your browser settings. However, please note that disabling cookies may affect the normal functioning of certain features (such as language preference memory).

5. Data Storage and Security

We take reasonable technical and organizational measures to protect your information from unauthorized access, disclosure, alteration, or destruction. These measures include:

• Using HTTPS encryption for all data transmission;
• Anonymizing collected IP addresses;
• Processing data from screen testing tools such as dead pixel detection and backlight bleed testing locally in your browser, without passing through any server;
• Restricting internal access to analytics data.

Please note that while we strive to protect your information, no method of internet transmission or electronic storage is 100% secure.

6. Information Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share information under the following circumstances:

• Legal Requirements: When required by law, regulation, legal process, or government request;
• Service Providers: Sharing necessary information with trusted third-party service providers who help us operate the website (such as website analytics);
• Business Changes: If this website undergoes a merger, acquisition, or asset sale, your information may be transferred as an asset.

7. Children's Privacy

This website is not designed for children under the age of 13, and we do not knowingly collect personal information from children under 13. If you are a parent or guardian and discover that your child has provided us with personal information, please contact us through the contact information in the website footer, and we will promptly delete the relevant information.

8. International Users

This website is accessible from around the world and supports both Chinese and English. If you access this website from other countries/regions, please be aware that your information may be transferred to and stored on servers located outside your country/region of residence. By using this website, you consent to such information transfer.

9. Your Rights

Depending on applicable privacy laws, you may have the following rights:

• Access and obtain a copy of the information we collect about you;
• Request correction of inaccurate information;
• Request deletion of your information;
• Withdraw consent (where applicable).

Since we do not collect personally identifiable information, the practical scope of these rights is limited. To exercise your rights, please contact us through the contact information in the website footer.

10. Privacy Policy Updates

We may update this Privacy Policy from time to time. The updated policy will be posted on this page with a new "Last Updated" date. We recommend that you review this page periodically for any changes. We will notify you of significant changes through website announcements.