Cookies ensure that the website functions as intended.
They also provide information about your needs and how the website can be improved. For example, they can remember the language you use and whether you want to view video clips on the site from platforms like YouTube.
When you log in to a website, cookies can also remember your password and have it ready for the next time. You do not log in on taks.fo, but you do on Borgaragluggin and Vinnugluggan, which are also websites of TAKS.