To make this site work properly, small data files called cookies are sometimes placed on your device. Most big websites do this too.

What are cookies?

A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another.

How do we use cookies?

The cookies on this site relate to Google Analytics, Microsoft Bing and Yandex, which anonymously tracks users on the website for statistical purposes.

How to control cookies

You can control and/or delete cookies as you wish – for details, see You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.

You could also consider a site blocker, which is a plug-in or extension that sits in your browser and blocks certain elements, codes or cookies on websites that you visit. With that, you can set your preferences and have complete control over what you do or don't see and/or store on your computer.


Cookies are used to improve your experience on this site and to better understand the audience. Find out more here.