Cookies

Cookie Name

Function

guest-view

Stores the Order ID that guest shoppers use to retrieve their order status.

login_redirect

Preserves the destination page the customer was navigating to before being directed to log in.

mage-messages

Tracks error messages and other notifications that are shown to the user, such as the cookie consent message, and various error messages, The message is deleted from the cookie after it is shown to the shopper.

mage-translation-storage

Stores translated content when requested by the shopper.

product_data_storage

Stores configuration for product data related to Recently Viewed / Compared Products.

recently_compared_product

Stores product IDs of recently compared products.

recently_compared_product_previous

Stores product IDs of previously compared products for easy navigation.

recently_viewed_product

Stores product IDs of recently viewed products for easy navigation.

recently_viewed_product_previous

Stores product IDs of recently previously viewed products for easy navigation.

stf

Records the time messages are sent by the SendFriend (Email a Friend) module.

X-Magento_Vary

Configuration setting that improves performance when using Varnish static content caching.

Cookie Name

Function

amz_auth_err

(Used by Amazon Pay) Value “1’ indicates an authorization error.

amz_auth_logout

(Used by Amazon Pay) Value “1” indicates that the user should be logged out.

form_key

A security measure that appends a random string to all form submissions to protect the data from Cross-Site Request Forgery (CSRF).

mage-cache-sessid

The value of this cookie triggers the cleanup of local cache storage. When the cookie is removed by the backend application, the Admin cleans up local storage, and sets the cookie value to “true.”

mage-cache-storage

Local storage of visitor-specific content that enables ecommerce functions.

mage-cache-storage-section-invalidation

Forces local storage of specific content sections that should be invalidated.

persistent_shopping_cart

Stores the key (ID) of persistent cart to make it possible to restore the cart for an anonymous shopper.

private_content_version

Appends a random, unique number and time to pages with customer content to prevent them from being cached on the server.

section_data_ids

Stores customer-specific information related to shopper-initiated actions such as display wish list, checkout information, etc.

store

Tracks the specific store view / locale selected by the shopper.

Cookie Name

Function

__utma

Distinguishes shoppers and sessions .This cookie is created when the JavaScript library executes and there is no existing __utma cookie. The cookie is updated every time data is sent to Google Analytics.

__utmt

Used to throttle request rate.

__utmb

Determines new sessions/visits. This cookie is created when the JavaScript library executes and there is no existing __utmb cookie. The cookie is updated every time data is sent to Google Analytics.

_utmz

Saves the traffic source or campaign that explains how the shopper reached your site. The cookie is created when the JavaScript library executes, and is updated every time data is sent to Google Analytics.

__utmv

Stores visitor-level custom variable data. This cookie is created when a developer uses the _setCustomVar method with a visitor-level custom variable. This cookie is updated every time data is sent to Google Analytics.

_ga

Registers a unique ID that is used to generate statistical data on how the visitor uses the website.

_gat

Used by Google Analytics to throttle request rate

_gid

Registers a unique ID that is used to generate statistical data on how the visitor uses the website