Cookie Policy

Last updated: February 2026

What Are Cookies?

Cookies are small text files that are stored on your computer or mobile device when you visit a website. They are widely used to make websites work more efficiently, provide information to website owners, and enhance your browsing experience.

How We Use Cookies

ATC21S uses cookies and similar technologies for several purposes:

Essential Cookies

These cookies are necessary for the website to function properly. They enable basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

  • Session management
  • Security features
  • Basic website functionality

Analytics Cookies

We use analytics cookies to understand how visitors interact with our website. These cookies help us improve our website by collecting and reporting information anonymously.

  • Google Analytics: Tracks page views, session duration, bounce rate, and traffic sources
  • Helps us understand which pages are most popular
  • Identifies areas for improvement

Advertising Cookies

These cookies are used to deliver advertisements that are relevant to you and your interests. They also help limit the number of times you see an advertisement and measure the effectiveness of advertising campaigns.

  • Personalized ad delivery
  • Ad frequency capping
  • Campaign performance measurement

Cookies We Use

Cookie NamePurposeDuration
_gaGoogle Analytics - distinguishes unique users2 years
_ga_*Google Analytics - maintains session state2 years
_gidGoogle Analytics - distinguishes users24 hours
_gatGoogle Analytics - throttles request rate1 minute

Third-Party Cookies

In addition to our own cookies, we may also use various third-party cookies to report usage statistics of the website and deliver advertisements on and through the website.

Third parties that may set cookies on our website include:

  • Google Analytics
  • Advertising partners

Managing Cookies

Most web browsers allow you to control cookies through their settings. You can:

  • View cookies: See what cookies are stored on your device
  • Delete cookies: Remove all or specific cookies
  • Block cookies: Prevent websites from setting cookies
  • Allow cookies: Accept cookies from websites you trust

Browser-Specific Instructions

Here are links to manage cookies in popular browsers:

Opting Out of Analytics

You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Impact of Disabling Cookies

Please note that if you choose to disable cookies, some features of our website may not function properly. Essential cookies are required for basic website functionality.

Updates to This Policy

We may update this Cookie Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. Please check this page periodically for updates.

Contact Us

If you have any questions about our use of cookies, please contact us at:

Email: contact@atc21s.org

Related Policies

For more information about how we handle your data, please see our Privacy Policy.