Put in by Google Analytics, _gid cookie shops info on how guests use a web site, whilst also building an analytics report of the website's general performance. A number of the data which might be gathered contain the volume of guests, their supply, and the webpages they check out anonymously. https://share.evernote.com/note/83defcab-8851-fa9f-479e-d8e8f1bab4df