What are Cookies?

A cookie is a small text file that a website saves on your computer or device when you visit a website or app. It enables a website or app to remember your actions and preferences (such as language preferences) over a period of time. For example, they let you avoid having to re-enter your login when you come back to the website or browse from one page to another. Similar technologies, such as local storage, can serve the same function and we may use them as appropriate. 

How do we use Cookies? 

Our website, app, and emails may use cookies and similar technologies to understand how you interact with our services, remember your preferences or behavior, inform digital and email advertising campaigns, and to improve our services. We describe the purposes for which we use cookies in further detail below. We retain the information we collect through cookies for up to 12 months from the last time you visit our site, app, or open our email or otherwise as described below.

Cookies used on the Website and App

A list of the cookies that we use on our website or apps is found below. 

Cookie  type

Name of cookie

Purpose of cookie

Strictly necessary cookies


These cookies and other technologies are essential in order to enable the Website or App to provide the feature you have requested, such as remembering you have logged in.

Analytics cookies

E.g., “_ga”, “_gid”, “_gat”

These cookies are used to collect information about how visitors use our Website. We use the information to compile reports and to help us improve the Website. Please visit Google’s Cookie Notice for a more detailed and updated list.

Email list cookies

Cookies set by “”, e.g., “_abck”, “bm_sz”, and “_AVESTA_ENVIRONMENT”. 

These cookies are used to help manage and track sign ups to our email list, including from within certain email apps to track views and clicks. Visit for more information.

This list may be incomplete, especially as our services, vendors, and vendors’ practices change. If you receive a cookie from us that is not on this list and have questions, please reach out to us at for more information.

How to control Cookies 

While we don’t manage the options offered by browsers to control cookies, all the most popular browsers give users significant transparency and control over cookies. Specifically, they allow you to control or delete cookies as you wish. In the settings, there will likely be an option to delete all cookies for that browser. Additionally, many browsers allow you to view and delete cookies just for individual websites. If you delete cookies for our website, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work. For more information, see

For control over technologies that are similar to cookies, check your browser’s settings. For example, they may allow you to clear all site settings, which includes cookies and local storage information. On mobile apps, you can typically delete an app’s cookies and other locally stored information relating to that app from your device’s settings. For more information on your choices, please see the Choices section in our Privacy Notice.

This notice was last updated January 1st, 2020.