Managing cookies

The engine of our shop uses encrypted cookies to store all user session information:

The data stored in the cookie client

The sign of the
Description
Data_add Date and time of the cookie (in the format yyyy-MM-DD HH: MM: SS).
Id_lang ID of the selected language.
Id_currency The ID of the selected currency.
Last_category The ID of the last visits of product categories.
Ajax_blockcart_display Whether the block is "extended" or "collapsed".
To watch The IDs of the last viewed products as a list separated by commas.
Id_wishlist The ID of the current wish list is displayed in the wish list.
CheckedTOS The checkbox next to "terms of service" has been selected (1 if and 0 if there is no)
Id_guest The ID of the visitor is not logged in.
Id_sieci Connection ID of the current session.
Id_customer The client ID of the user after logging in.
Customer_lastname The customer's name.
Customer_firstname The name of the client.
Logged on Whether the client is logged on.
Passwd MD5 hash of _COOKIE_KEY_ in config/settings.inc.php and password, with which the client config/settings.inc.php .
email The e-mail address that the customer has logged.
Id_cart The ID of the current shopping cart is displayed in the shopping cart block.
Checksum Checksum Blowfish used to determine whether the cookie has been modified by a third party. 
You will be logged out, and the cookie will be deleted, if the checksum does not match.

In addition, our online store uses cookies to provide information to the Google system that analyzes traffic on our site

More you can find out directly from Google:

https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage