Privacy Policy

This Privacy Policy describes how Daily-Sudoku.com ("we", "us", or "our") collects, uses, and shares information when you visit our website.

Information We Collect

We aim to collect as little information as possible. The information we do collect falls into the following categories:

Usage data: Pages visited, puzzles played, difficulty levels chosen, completion times, and similar gameplay information. This data is used in aggregate to improve the site.
Device and browser data: Browser type, operating system, screen size, language, and approximate location (country/region) derived from your IP address.
Local storage: We store your theme preference and in-progress puzzle state in your browser's local storage. This information never leaves your device.
Contact information: If you email us, we receive your email address and the contents of your message.

Cookies and Analytics

We use Google Analytics (measurement ID G-S4VLJ8TGG4) to understand how visitors use the site. Google Analytics sets cookies on your device and collects information such as the pages you visit, the time you spend on each page, the links you click, your device and browser type, and a truncated form of your IP address. This information is used in aggregate to help us improve the site.

You can learn more at the Google Privacy Policy or opt out using the Google Analytics Opt-out Browser Add-on. You can also block cookies through your browser settings.

Advertising

The site may display advertisements provided by third-party advertising networks. These networks (and their partners) may use cookies, web beacons, device identifiers, and similar technologies to:

Serve ads based on your prior visits to this site and other sites on the internet.
Measure ad performance and prevent the same ad from being shown too many times.
Detect and prevent fraudulent ad activity.

If we use Google's advertising products (such as Google AdSense or Ad Manager), Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this and other sites. You can opt out of personalized advertising by visiting Google Ads Settings, and you can opt out of personalized ads from many other vendors at aboutads.info or youronlinechoices.eu.

We do not directly share personally identifiable information with advertisers.

How We Use Information

To operate and maintain the site and serve puzzles.
To analyze traffic patterns and improve content, design, and difficulty calibration.
To respond to inquiries you send us.
To detect and prevent abuse, fraud, or security incidents.

Information Sharing

We do not sell your personal information. We share data only with service providers that help us operate the site (such as Google Analytics, advertising networks, and our hosting and content-delivery providers), and only as required by law.

Data Retention

Aggregate analytics data is retained according to our analytics provider's default retention period. Email correspondence is retained as long as necessary to respond and for our records.

Children's Privacy

Daily-Sudoku.com is suitable for all ages, including children, and we do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us and we will delete it.

Your Rights

Depending on where you live, you may have the right to access, correct, or delete personal information we hold about you, or to object to certain processing. To exercise these rights, contact us at the email below.

Changes to This Policy

We may update this Privacy Policy from time to time. When we do, we will revise the "Last updated" date at the top of this page.

Contact

Questions about this Privacy Policy? Email us at info@daily-sudoku.com.