a) What are cookies? Cookies are small files that are stored on your computer. They don’t use any personal information about you but they do ‘remember’ you or your computer and the pages you have viewed every time you visit our website.
c) Managing cookies by continuing to use this site it means you have agreed to cookies being used and stored on your computer. However, you can choose to restrict or block cookies by enabling or disabling them at any time using your internet settings for each browser you use. For more information on how to do this and about cookies go to All About Cookies.
Cookies we use
The following cookies are set by Google Analytics:
A persistent cookie – remains on a computer, unless it expires or the cookie cache is cleared. It tracks visitors. Metrics associated with the Google __utma cookie include: first visit (unique visit), last visit (returning visit). This also includes Days and Visits to purchase calculations which afford ecommerce websites with data intelligence around purchasing sales funnels.
__utmb Cookie & __utmc Cookies
These cookies work in tandem to calculate visit length. Google __utmb cookie demarks the exact arrival time, then Google __utmc registers the precise exit time of the user. Because __utmb counts entrance visits, it is a session cookie, and expires at the end of the session, e.g. when the user leaves the page. A timestamp of 30 minutes must pass before Google cookie __utmc expires. Given__utmc cannot tell if a browser or website session ends. Therefore, if no new page view is recorded in 30 minutes the cookie is expired. This is a standard ‘grace period’ in web analytics. Ominture and WebTrends among many others follow the same procedure.
Cookie __utmz monitors the HTTP Referrer and notes where a visitor arrived from, with the referrer siloed into type (Search engine (organic or cpc), direct, social and unaccounted). From the HTTP Referrer the __utmz Cookie also registers, what keyword generated the visit plus geolocation data. This cookie lasts six months. In tracking terms this Cookie is perhaps the most important as it will tell you about your traffic and help with conversion information such as what source / medium / keyword to attribute for a Goal Conversion.
Google __utmv Cookie lasts “forever”. It is a persistant cookie. It is used for segmentation, data experimentation and the __utmv works hand in hand with the __utmz cookie to improve cookie targeting capabilities.
The Rock UK website uses a Twitter feed to keep our visitors up to date with what we are tweeting about. Twitter creates two cookies that are placed on your machine.
The cookie “guest_id”
This cookie is used to to see if you already have a twitter account. If you do not have a twitter account then twitter will assign you a unique code to track your visit to the Twitter feed. This cookie will expire in two years after creation.
The cookie “k”
In order to display our tweets on our website, we need to use the official Twitter API. This API creates a cookie on your machine called “k”. This cookie will expire in one week after creation.