This website make use of so-called cookies. A cookie is not like many people believe something that can harm your computer or data in any way! Its a small piece of text sent to your browser by a website you visit. It helps the website to remember information about your visit, like your preferred language and other settings. That can make your next visit easier and the site more useful to you. Cookies play an important role. Without them, using the web would be a much more frustrating experience.
We may also use “pixel tags,” which are small graphic files that allow us to monitor the use of the Services. A pixel tag can collect information such as the IP address of the computer that downloaded the page on which the tag appears; the URL of the page on which the pixel tag appears; the time (and length of time) the page containing the pixel tag was viewed; the type of browser that retrieved the pixel tag; and the identification number of any cookie previously placed by that server on your computer.
We may use pixel tags, either provided by us or by our third party advertisers and ad networks, to collect information about your visit, including the pages you view, the links you click and other actions taken in connection with our sites and Services and use them in combination with our cookies to provide offers and information of interest to you.
We also may allow certain analytic services and providers of applications used on the Services (e.g., sharing buttons) to collect Non-Personally Identifiable information by placing cookies on the Services that will track certain performance of our Services, such as, web traffic, click-throughs, etc., in order to assist us and our service providers in better understanding the interests of our users and to better serve those interests.
Wikipedia article about cookies: https://en.wikipedia.org/wiki/HTTP_cookie
Google cookie explanation: https://www.google.com/intl/en/policies/technologies/cookies/