Cookies & Storage Used by Metrion

Written By Vincent Stoit

Last updated 12 days ago

The following cookies and storage items are used by Metrion's tracking. Note that these names can be customized by yourself and may change over time. It's your responsibility to keep your own cookie/storage descriptions up to date and matched to your customizations.

Cookies

Main type of browser storage used by Metrion's tracking.

Name

Description

EU consent tier

Cookie specs

Value type

Example value

mtrn_uid

Metrion cookie used for anonymous user identification. This server-side cookie is used to restore the front-end user identification.

Marketing

HTTP Only

string

154785f5-dc43-4461-9c98-e1cce6d825f8--1818051714000--0

mtrn_uid_js

Metrion cookie used for anonymous user identification.

Marketing

string

154785f5-dc43-4461-9c98-e1cce6d825f8--0

mtrn_sid

Metrion cookie used for anonymous visit identification.

Marketing

string

e31ad114-8ff0-4ef6-b0ea-ef7717de4bb4--1786517511783--1786515711

mtrn_cids

Metrion cookie used for storing the most recent click-identifiers for marketing platforms.

Marketing

encoded JSON as string

{"gclid":"1234"}

mtrn_consent

Metrion cookie used for storing the consent setting for Metrion's tracking.

Functional

encoded JSON as string

{"allow_marketing":"1","allow_pii":"1","allow_uid":"1","allow_sid":"1","b":"1","unix":1786515934376}

Storage (Magento / Adobe Commerce only)

Additional local/session storage used for functional tracking. These items apply specifically to the Magento / Adobe Commerce plugin.

Name

Description

EU consent tier

Value type

Example value

session_info

Metrion storage item used for deduplicating session_start events.

Functional

encoded JSON as string

{"reasons":["no referrer"],"referrer":"","search":""}

mtrn_config_cache

Metrion storage item used for caching configuration settings from the plugin in the front-end, to reduce Magento-/Adobe Commerce-specific load on the back-end.

Functional

encoded JSON as string