Legal
Cookie Policy
Last Updated: 18 January 2026 · Effective Date: 18 January 2026
Tessera ("we", "us", "our") operates the website at tesserqas.top. This Cookie Policy explains what cookies are, which cookies we place on your device when you visit our site, and how you can manage your preferences.
If you have questions, contact us at [email protected].
What Are Cookies
Cookies are small text files stored on your browser or device when you visit a website. They help the site remember your preferences and actions over time, so you do not have to re-enter information on each visit.
Cookies cannot execute programs or deliver viruses to your device. They are uniquely assigned to you and can only be read by the web server in the domain that issued the cookie.
Cookies We Use
Essential Cookies
Always ActiveRequired for basic site functionality — session management, security tokens, and load balancing. Without these the site cannot operate correctly.
Duration: Session & up to 1 year
Analytics Cookies
OptionalHelp us understand how visitors interact with our pages — which sections are viewed most, how long visitors stay, and where traffic originates.
Duration: Up to 2 years
Marketing Cookies
OptionalUsed to show relevant advertisements and measure campaign effectiveness. These may be set by advertising networks operating on our behalf.
Duration: Up to 1 year
Preference Cookies
OptionalRemember choices you have made such as language, region, and display settings so your experience remains consistent across visits.
Duration: Up to 1 year
Third-Party Cookies
Some cookies on our site are placed by third-party services we use to improve functionality and measure performance:
- Google Analytics — anonymised visitor behaviour data
- Google Ads — conversion tracking and remarketing
- Meta (Facebook) Pixel — ad campaign measurement
- Microsoft Bing Ads — advertising performance
Each third party has its own privacy policy governing their use of such data. We encourage you to review those policies.
Manage Your Preferences
Use the toggles below to control which cookie categories we may use. Essential cookies cannot be disabled as they are required for the site to function.
Essential
Always required — cannot be disabled
Analytics
Help us understand site usage patterns
Marketing
Personalise ads and measure campaigns
Preferences
Remember your settings and display choices
Managing Cookies in Your Browser
You can also control cookies directly through your browser settings. Select your browser below for guidance.
Google Chrome
1. Open Chrome and click the three-dot menu (⋮) at top right.
2. Select Settings → Privacy and security → Cookies and other site data.
3. Choose your preferred cookie handling option or clear existing cookies.
Mozilla Firefox
1. Open Firefox and click the menu button (☰) at top right.
2. Navigate to Settings → Privacy & Security.
3. Under Cookies and Site Data, configure your preferences or clear stored cookies.
Apple Safari
1. Open Safari and go to Preferences → Privacy.
2. Adjust the Block all cookies setting or manage website data individually.
3. Click Manage Website Data to remove existing cookies.
Microsoft Edge
1. Open Edge and click the three-dot menu (⋯) at top right.
2. Go to Settings → Cookies and site permissions → Cookies and site data.
3. Toggle options or clear all cookies and site data from this section.
Note: Disabling cookies may limit certain site features and personalisation.
Your Rights & Controls
Under the Personal Data (Privacy) Ordinance (PDPO) of Hong Kong and applicable international standards, you have the right to:
- Withdraw your consent to non-essential cookies at any time via the preference panel above
- Request access to data we hold about your usage
- Request deletion of cookie-related data we have collected
- Object to processing based on legitimate interests
To exercise any of these rights, contact our privacy team at [email protected]. We respond to requests within 14 business days.