Privacy Policy

Your privacy matters to us. This Privacy Policy explains how CPM Calculator collects, uses, and protects your information.

Last Updated: November 12, 2025

1. Introduction

Welcome to CPM Calculator ("we," "our," or "us"). We are committed to protecting your privacy and being transparent about our data practices. This Privacy Policy applies to all users of cpm-calculator.app and explains what information we collect, how we use it, and your rights regarding your data.

By using our website, you agree to the collection and use of information in accordance with this policy. We may update this policy from time to time, and we will notify you of any changes by posting the new Privacy Policy on this page with an updated "Last Updated" date.

2. Data Collection

We collect minimal data to provide and improve our service. Here's what we collect and how:

2.1 Calculator Input Data (Not Collected)

Your calculation data stays on your device. When you use our CPM calculators, all inputs (CPM values, costs, impressions) are processed locally in your browser using JavaScript. We do not upload, store, or transmit your calculation data to our servers. Your data never leaves your device.

2.2 Automatically Collected Information

Like most websites, we automatically collect certain technical information when you visit:

• Browser Information: Browser type, version, and language preferences
• Device Information: Device type (desktop, mobile, tablet), operating system, and screen resolution
• Page Visit Data: Pages viewed, time spent on pages, and navigation paths
• User Behavior: Clicks, scrolls, and interactions with calculators (anonymized)
• IP Address: Used for analytics and approximate geographic location (city/country level, not precise location)
• Referral Source: The website or search engine that referred you to us

This information is collected through cookies and similar technologies (see Section 6 for details).

2.3 Voluntarily Provided Information

We only collect personal information if you voluntarily provide it, such as:

• Email Address: If you contact us via email at contact@cpm-calculator.app
• Feedback: Any information you choose to include in your messages to us

3. Data Usage

We use the collected data for the following purposes:

3.1 Service Provision

• Deliver and maintain our CPM calculator tools
• Ensure calculators function correctly across different browsers and devices
• Optimize page load times and performance

3.2 Service Improvement

• Analyze how users interact with our calculators to improve user experience
• Identify and fix bugs or technical issues
• Understand which features are most valuable to users
• Develop new calculators and educational content based on user needs

3.3 Analytics and Research

• Monitor website traffic and usage patterns
• Understand user demographics (age range, location, interests) in aggregate
• Measure the effectiveness of our content and tools

3.4 Communication

• Respond to your inquiries and support requests
• Send important updates about our service (if you've contacted us)

We do not use your data for: Selling to third parties, unsolicited marketing emails, or tracking you across other websites.

4. Data Protection

We implement industry-standard security measures to protect your information:

• HTTPS Encryption: All data transmitted between your browser and our servers is encrypted using SSL/TLS
• No Server-Side Storage: Your calculator inputs are never stored on our servers
• Minimal Data Collection: We only collect what's necessary to operate and improve our service
• Secure Hosting: Our website is hosted on Cloudflare Workers with enterprise-grade security
• Regular Updates: We keep our software and security practices up to date

While we strive to protect your data, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security but are committed to using best practices.

5. User Rights

You have the following rights regarding your data:

• Right to Access: Request information about what data we have collected about you (if any)
• Right to Deletion: Request deletion of any personal data we may have (such as email correspondence)
• Right to Correction: Request correction of inaccurate data
• Right to Object: Object to our processing of your data
• Right to Data Portability: Request a copy of your data in a machine-readable format

To exercise any of these rights, please contact us at contact@cpm-calculator.app. We will respond within 30 days.

Note: Since we don't store your calculator data, there's nothing to delete or export related to your calculations. These rights primarily apply to any email correspondence or feedback you've sent us.

6. Cookies and Tracking Technologies

We use cookies and similar technologies to enhance your experience and analyze website usage:

6.1 What Are Cookies?

Cookies are small text files stored on your device by your web browser. They help websites remember your preferences and understand how you use the site.

6.2 Types of Cookies We Use

• Essential Cookies: Required for the website to function (e.g., remembering your theme preference)
• Analytics Cookies: Help us understand how visitors use our site (Google Analytics, Microsoft Clarity)
• Advertising Cookies: Used to display relevant ads (Google AdSense)

6.3 Local Storage

We use browser local storage to save your calculation history on your device. This data never leaves your browser and can be cleared at any time through your browser settings.

6.4 Managing Cookies

You can control cookies through your browser settings:

• Block all cookies (may affect website functionality)
• Delete existing cookies
• Set preferences for specific websites
• Enable "Do Not Track" in your browser

Learn more: AllAboutCookies.org

7. Third-Party Services

We use the following third-party services to operate and improve our website:

7.1 Google Analytics 4

Purpose: Website traffic analysis and user behavior insights

Data Collected: Page views, session duration, device type, approximate location, user demographics (age, gender, interests)

Privacy Policy: Google Privacy Policy

Opt-Out: Google Analytics Opt-out Browser Add-on

7.2 Google AdSense

Purpose: Display advertisements to support our free service

Data Collected: Browsing behavior, ad interactions, cookie data for personalized ads

Privacy Policy: Google Ads Privacy Policy

Opt-Out: Google Ad Settings (disable personalized ads)

7.3 Microsoft Clarity

Purpose: User experience analysis through session recordings and heatmaps

Data Collected: Mouse movements, clicks, scrolls, page interactions (anonymized)

Privacy Policy: Microsoft Privacy Statement

7.4 Important Notes

• We do not sell your personal information to any third party
• These services may transfer data to the United States and other countries
• Each service has its own privacy policy and data practices
• You can opt out of personalized advertising through browser settings or the links above

8. Updates to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. When we make changes:

• We will update the "Last Updated" date at the top of this page
• Significant changes will be highlighted on our website
• Continued use of our service after changes constitutes acceptance of the updated policy

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your data.

9. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

• Email: contact@cpm-calculator.app
• Response Time: We typically respond within 24-48 hours

For data access, deletion, or correction requests, please include "Privacy Request" in your email subject line.

This Privacy Policy is effective as of November 12, 2025. By using CPM Calculator, you acknowledge that you have read and understood this Privacy Policy.