How Cookies WorkCookies and other similar technologies help provide a better, faster and safer experience.
Technologies like cookies, pixel tags ("pixels"), and local storage are used to deliver, secure, and understand products, services, and ads, on and off Facebook. We want this page to help you understand more about these technologies and how they are used. Your browser or device may allow you to block these technologies, but you may not be able to use some features on Facebook if you block them. For more information about whether these tools are available and how they work, vist your browser or device's help material.What are cookies, pixels, local storage and similar technologies?
Check back here from time to time to get the latest information about these technologies and how they are used.
These technologies are tools that websites and applications use for security purposes and to deliver products, services, and advertisements, and to understand how they are used. With these technologies, a website or application can store information on your browser or device and later read that information back. We explain more about each of these technologies and how they are used on this page.
Categories of use and examples:Authentication
Security and site integrity
These tools tell us when you’re logged in, so we can show you the appropriate experience and features. For example, cookies, local storage and similar technologies tell us when you are logged in to Facebook so we can show you relevant and social information when you visit other websites that use our social plugins. We also use this information to understand how people use our Platform
and other apps and services.
We use these to help keep Facebook safe and secure. They support or enable security features and help us detect activity that violates our Statement of Rights and Responsibilities
. For example, they help protect your account from being accessed by anyone other than you. Cookies also let us know when several people have logged in from the same computer.
LocalizationSite features and services
Analytics and research
We use these to provide you with the best experience possible. For example, we may use a cookie to help us route traffic between servers and understand how quickly Facebook loads for different users. Sometimes we may store information on your browser or device so Facebook features you are using load and respond faster.
The specific names of the cookies, pixels and other similar technologies that we use may change from time to time, but they generally will fall into the above categories. If you’d like to learn more about these tools, review our Data Use Policy. You can also take a look at the cookies section of our publicly available audit that provides a snapshot of the cookies we use, which was performed by the Irish Data Protection Commissioner’s Office. This will give you a good idea of the cookies we describe on this page.