Cookie Policy
Understanding how we use cookies to improve your experience
Last updated: 9/17/2025
What Are Cookies?
Cookies are small text files that are placed on your device when you visit our website. They help us provide you with a better experience by remembering your preferences and understanding how you use our services.
Key Points:
- • Cookies don't contain personal information that identifies you
- • They help our website function properly and efficiently
- • You can control cookie settings through your browser
- • We respect your privacy and use cookies responsibly
Types of Cookies We Use
Essential Cookies
These cookies are necessary for the website to function properly. They cannot be disabled as they are essential for basic website functionality.
Examples:
- • Session cookies that maintain your state during a visit
- • Security cookies that help protect against CSRF attacks
- • Load balancing cookies that ensure website stability
- • User preference cookies for language and display settings
Functional Cookies
These cookies enable enhanced functionality and personalization, such as remembering your preferences and choices.
Examples:
- • Remembering if you've accepted our cookie policy
- • Storing your calculator preferences and settings
- • Remembering your newsletter subscription status
- • Saving your preferred data input format
Analytics Cookies
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously.
Information Collected:
- • Pages visited and time spent on each page
- • Browser and device information
- • General geographic location (country/region level)
- • How you arrived at our website
- • Error messages encountered
We use Google Analytics and Google AdSense which may set their own cookies. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.
Advertising Cookies
We use Google AdSense to display relevant advertisements. These cookies help deliver ads that are more relevant to you and your interests.
Purpose:
- • Deliver relevant advertisements
- • Limit the number of times you see an ad
- • Measure the effectiveness of advertising campaigns
- • Remember your ad preferences
Third-Party Cookies
Some cookies are placed by third-party services that appear on our pages. We do not control these cookies, and you should refer to the third party's privacy policy for more information.
Google Analytics
Used to collect anonymous information about how visitors use our site.
Google Privacy PolicyGoogle AdSense
Used to serve personalized advertisements based on your interests.
Google AdSense PrivacyGoogle Tag Manager
Used to manage and deploy marketing tags without modifying code.
Google Marketing Platform PrivacyHow to Control Cookies
Browser Settings
Most web browsers allow you to control cookies through their settings. You can:
- • View what cookies are stored on your device
- • Delete cookies individually or all at once
- • Block third-party cookies
- • Block all cookies from specific websites
- • Block all cookies entirely
Note: Blocking all cookies may prevent our website from functioning properly.
Browser-Specific Instructions
- Chrome: Settings → Privacy and security → Cookies and other site data
- Firefox: Settings → Privacy & Security → Cookies and Site Data
- Safari: Preferences → Privacy → Manage Website Data
- Edge: Settings → Privacy, search, and services → Cookies and site permissions
Cookie Consent
When you first visit our website, we will show you a cookie consent banner that allows you to accept or manage your cookie preferences.
Your Consent Choices:
Allow all cookies including analytics and advertising
Choose which types of cookies to allow
Only allow cookies necessary for website function
You can change your cookie preferences at any time by clicking the "Cookie Settings" link in the footer of our website or by clearing your browser cookies and revisiting our site.
Impact of Disabling Cookies
While you can disable cookies, doing so may affect your experience on our website:
If You Disable All Cookies
- • Some features may not work properly
- • You may need to re-enter preferences each visit
- • Calculator settings won't be saved
- • Cookie consent banner will reappear
If You Allow Essential Only
- • Website will function normally
- • Basic preferences will be saved
- • No tracking or analytics
- • No personalized advertisements
Updates to This Cookie Policy
We may update this Cookie Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons.
When We Update
- • We'll update the "Last updated" date at the top
- • For significant changes, we'll notify you via cookie banner
- • We may request renewed consent for new cookie uses
- • Previous versions can be requested via email
Questions About Cookies?
If you have questions about our use of cookies or this Cookie Policy, please contact us:
Email: privacy@standarddeviationcalculator.app
Contact Form: Use our contact form
Location: Shenzhen, China
Subject Line: Please include "Cookie Policy" in your message
Privacy Commitment: We respect your privacy choices and are committed to being transparent about our use of cookies and similar technologies.