The Five Cookie Names and Types Used by Google Analytics

最新推荐文章于 2023-08-16 00:20:49 发布

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#types #google #session #variables #domain #search

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本文详细介绍了网站跟踪中使用的__utm系列Cookies的功能与用途。包括它们的生命周期、类型及所存储的信息，如访客标识、会话信息、来源渠道等关键数据。

Cookie name     Time to live     Type Purpose
__utma              24 months     first-party Stores domain and visitor identifiers
                                                For example, unique ID, timestamp of initial visit, number of sessions to date

__utmb Session first-party Stores session identifiers

Changes to identify each unique session

__utmc Session first-party Stores session identifiers
Expires after 30 minutes of inactivity

__utmk               Session first-party Used for quality control
                                                Checks data integrity when using the _link() and
                                                _linkByPost() functions

__utmv 24 months first-party Stores custom label
For example, customer, subscriber, registered user

__utmz              6 months first-party Stores campaign variables
                                                For example, referrer, keyword (if search engine), medium
                                                type (CPC, organic, banner, e-mail)