A cookie is a small file which is placed on your computer's hard drive. The cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences.

In order to use the DRS site, it is not possible to opt-out of cookies. This is because the cookies enabled are strictly necessary first-party cookies that ensuring the correct functioning of the site. These include two authentication cookies: a "SilkStart" cookie for your current session/login and one saying it is enabled. There is also a payment gateway cookie created by our payment provider, Stripe, when you purchase a membership.