A cookie is a small piece of data that a website asks your browser to store on your computer or mobile device. The cookie allows the website to "remember" your actions or preferences over time.
Most browsers support cookies, but users can set their browsers to decline them and can delete them whenever they like.
- identify users
- remember users' custom preferences
- help users complete tasks without having to re‑enter information when browsing from one page to another or when visiting the site later.