Cookies are text files containing small quantities of information that are downloaded to your device whenever you visit a website. These cookies are then sent back to the website they come from during each subsequent visit, or to other websites that recognise certain cookies. Cookies are useful because they ensure that websites can recognise users' devices.
Cookies perform different tasks. For example, they ensure that you can navigate efficiently between different pages, they remember your preferences and they improve your user experience in general. They also ensure that the advertising you see online is more relevant to you and more directly connected to your interests.
Some cookies contain personal information – for example, whenever you click "remember me" on logging in, a cookie will be used to remember your user name. Most cookies will not gather any information that can be used to identify you and will instead gather more general information such as the number of users that use our websites, or the global location of a user.
In general, there are four different types of cookie:
Broadly speaking, our cookies fulfil four different functions:
Some cookies are essential to the running of our website. For example, come cookies allow us to identify the user and guarantee the user's access to the registration or log-in pages. These cookies do not gather any information about you that could be used for marketing purposes and do not remember where you have been on the Internet. This category of cookie should not be turned off. If a user nonetheless opts to turn these cookies off, they will not be able to access all the content they are entitled to access.
These cookies gather information about how users use a website — such as what pages the users visit most frequently, and whether or not they receive error messages. These cookies do not gather any information that can be used to identify you. The information gathered by these cookies is completely anonymous and is only used to improve how the website is run.
We may use functionality cookies in order to remember your preferences. These cookies ensure that you do not need to re-enter your user name every time you visit the website, for example, and they also remember your configurable preferences — such as which regional version of the website you want to see when you log in. We can also use functionality cookies to offer you improved services, such as allowing you to watch a video online or to react to a blog.
Our websites may feature embedded buttons to allow users to easily share articles with their contacts via third-party websites such as Facebook, Twitter and LinkedIn. Twitter and LinkedIn may use session and persistent cookies that are introduced via the share buttons in order to improve their services (including to understand user interaction, to manage general use and to control Internet traffic). For more information, please see the privacy policies of Facebook, Twitter and LinkedIn.
You can enable, disable or delete cookies via your browser. In order to do this, you should follow the instructions provided by your browser (which can generally be found under the "help", "tools" or "edit" services). Disabling a cookie or cookie category does not delete the cookie from your browser; you will need to do this yourself from your browser. Please remember that some parts of our website may not work properly if you disable cookies.