Cookies are small text files that websites place on your device as you browse. They are processed and stored by your browser. In themselves, cookies are harmless and fulfill important functions for websites. Cookies can also generally be easily viewed and deleted.
Types of cookies
In general, cookies are classified based on the purpose for which they serve, how long they persist and their provenance:
Session cookies – These cookies are temporary and expire when you close your browser (or when your session ends).
Persistent cookies — This category includes all cookies that remain on your hard drive until you delete them or your browser does
First-party cookies — As the name suggests, first-party cookies are placed on your device directly by the website you are visiting.
Third-party cookies — These are cookies placed on your device, not by the website you are visiting, but by a third party such as an advertiser or analytics system.
Strictly necessary cookies — These cookies are necessary to enable you to browse the website and use its features, such as accessing secure areas of the website.
Preference cookies — Also known as “functionality cookies,” these cookies allow a website to remember choices you’ve made in the past, like which language you prefer, which region you want weather reports for, or what your username and password are so you can log in automatically.
Statistics cookies — Also known as “performance cookies,” these cookies collect information about how you use a website, such as which pages you visited and which links you clicked on. None of this information can be used to identify you. Everything is aggregated and therefore anonymized. Their sole purpose is to improve the site’s features.
Marketing cookies — These cookies track your online activity to help advertisers deliver more relevant advertising or to limit the number of times you see an advertisement.