Cookies and other similar technologies

ClassDojo offers a range of features that use technologies like cookies, pixel tags ("pixels"), device or other identifiers and local storage (collectively, “Cookies and similar technologies”) to provide a seamless and safe experience on ClassDojo.

First and foremost, we do not use or disclose information collected through Cookies or similar technologies for third-party advertising purposes (including behaviorally targeting of advertising to students).

As described in more detail below, we use these technologies in many ways so that ClassDojo works beautifully and safely, like for security purposes, to provide certain helpful features, and also to understand and measure how ClassDojo is used by teachers, parents, and students. Third parties that you interact with as you use the Service may also use these technologies for a variety of purposes

Check back here from time to time to get the latest information about these technologies and how they are used on ClassDojo.

Your browser or device may offer settings related to these technologies - visit your browser or device's help material to learn about your options. We may, however, not recognize or respond to browser or device signals around tracking, and changing these settings may impact your ability to use some of the great features on ClassDojo.

Below we provide more information about Cookies and similar technologies and how they work.

What are some of these technologies? 

  • Cookies: A cookie is a small file this is placed on your browser or device by the website or app you’re using, and that your browser provides to the website or app each time you return. Most major websites use cookies. Because the browser provides this cookie information to the website at each visit, cookies serve as a sort of label that allows a website to recognize your browser when it returns to the website. Cookies store information about your activities on a particular website or other platform. For example, cookies can store your session information for easy sign-in to a website or your language preferences. Cookies enable us to make your use of the Service more enjoyable and to improve the features we can offer.

    You can configure your browser to stop accepting cookies completely or to prompt you before accepting a cookie from the website you visit. If you do not accept cookies, however, you may not be able to use all portions of the ClassDojo Website or all functionality of the Service.

  • Clear GIFs: Clear GIFs (also known as web beacons, or pixel tags) are small blocks of code on a website or application used in combination with cookies to help website operators or app developers understand how visitors interact with their websites or applications. Clear GIF’s do things like read and place cookies and transmit information to us or our third party service providers. The resulting connection can include information such as a device’s IP address, the time a person viewed the pixel, an identifier associated with the browser or device and the type of browser being used. A clear GIF is typically a transparent graphic image (usually 1 pixel x 1 pixel) that is placed on a website, email, or application. The use of a clear GIF allows the website to measure the actions of the visitor opening the page that contains the clear GIF. It makes it easier to follow and record the activities of a recognized browser, such as the path of pages visited at a website. Clear GIFs, which can be embedded in web pages, videos, or emails, can allow a web server to read certain types of information from your browser, check whether you have viewed a particular web page or email message, and determine, among other things, the time and date on which you viewed the Clear GIF, the IP address of your computer, and the URL of the web page from which the Clear GIF was viewed.

  • Other local storage: We, along with our third party service providers, may use other kinds of local storage, such as Local Shared Objects, also referred to as “Flash cookies”, and HTML5 Local Storage (including IE local storage), also referred to as “browser cookies”. Local storage is an industry-standard technology that allows a website or app to store and retrieve data on a person’s computer, mobile phone or other device. This type of local storage may be used on ClassDojo to, for example, provide the Service in case of temporary internet loss and to create a faster web experience. If you’d like to disable or delete this information from your computer or device, please refer to your browser’s user manual. Please note that disabling these technologies may interfere with the the usability of ClassDojo.

Why do we use cookies and similar technologies?

We use these technologies for a variety of reasons, such as allowing us to show you content that’s most relevant to you, improving our products and services, and helping to keep our Service secure. While specific names of the Cookies and similar technologies that we use may change from time to time as we improve and update our Service, they generally fall into the below categories of use:


Categories of use



These tell us when you’re logged in, so we can show you the appropriate experience and features.

Security and site integrity

These help keep ClassDojo safe and secure by supporting and enabling security features and help us detect activity that violates our Terms of Service.


These help us provide localized experiences. For example, we may store information in a cookie that is placed on your browser or device so you will see the site in your preferred language.

Site features and services

These provide functionality that help us deliver products and services, for example, knowing when you’ve already taken a product tour so we don’t show it to you again!


These help us help us ensure ClassDojo is operationally performing at a high level, such as by understanding how quickly our Service loads for different users.

Analytics and research

These are used to understand how teachers, parents, and students use ClassDojo, and thus so we can continue to find ways to make ClassDojo a great experience. For example, we may use these technologies to know which features on ClassDojo are most popular - and which ones need some more love from us!

How do we use cookies, local storage or similar technologies when you use a mobile device?

Many mobile devices act just like computers, such as smart phones that support full-featured browsers. For those devices, we use Cookies and similar technologies in ways that are similar to when you are accessing the web from a computer. Other devices use different technologies such as local storage on a device, Software Development Kits (SDKs) or Advanced Programming Interfaces (APIs) to facilitate the same types of processes we use Cookies for, as described above.
With your permission, we may also obtain or receive information about your use of your mobile device and our Service. As on the web, we also may use similar technologies to store an identifier or other information on your device. We describe how we use these technologies and the information we received from them on our Privacy Policy.


How do third parties use cookies, pixel tags ("pixels") and other similar technologies on our Service?

In addition to using our own cookies, we work with various reputable companies to help us analyze how the Service is used, and to improve ClassDojo s to deliver the best possible experience for teachers, parents, and students. Take a look at our third-party service providers to learn more about them as well as to review their privacy policies.


Do we use cookies if you don't have an account or have logged out of your account?

We still use cookies if you don’t have an account or have logged out of your account. For example, if you have logged out of your account we use cookies to, for example, help you log in faster the next time.

We also set cookies if you don’t have a ClassDojo account, but have visited, to help us protect our Services and the people who use it from malicious activity. For example, these cookies help us detect and prevent denial-of-service attacks and the mass creation of fake accounts.
If you have cookies on your browser or device, we read that cookie when you visit a site with our app.

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