Provided by Google Tag Manager to experiment advertisement efficiency of websites using their services.
The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies.
The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors.
1 year 1 month 4 days
Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously.
This cookie is installed by Google Universal Analytics to restrain request rate and thus limit the collection of data on high traffic sites.