For more general information about cookies, see the Wikipedia article on HTTP Cookies.
You can prevent cookies from being set by adjusting your browser settings (see your browser's help on how to do this). Please note that disabling cookies will affect the functionality of this and many other websites you visit. Disabling cookies will usually also result in disabling certain functions and features of this site. Therefore, it is recommended that you do not disable cookies.
For more information about Google Analytics cookies, please see the official Google Analytics page. For more information about Yandex Metrika cookies, please see the official Yandex Metrika page.
Hopefully I've clarified things for you and, as mentioned above, if there's something you're not sure whether you need or not, it's usually safer to leave cookies enabled in case you interact with one of the features you use on our site.
However, if you are still looking for more information then you can contact us via one of our preferred contact methods: firstname.lastname@example.org