Google Analytics provides a complete analytical and statistical review of the visits to your web shop.
Some of the main parameters are:
• the number of visits
• bounce rate
• retention time on the web site
• entry and exit pages
• keywords that visitors used when they got to you
• reference web sites that brought you visits
• devices used to access your web site
• traffic statistics - conversions
And many more useful options that can help you to better optimize your offer and increase sales.