If your site has its own authentication system, you can use the



_ga: used to identify unique users and it expires after 2 years. The Overflow Blog The main purpose of this cookie is: Performance. This Siteimprove Analytics cookie contains a randomly generated ID used to recognize your browser when you read a page. II.) user. Instead, developers should use the Example: _ga: GA1.3.292651669.1502954402 _gid: GA1.3.974792242.1509957189.

_ga=1.2.286403989.1366364567; 1st Field. devices.

Using cookies allows analytics.js to identify unique users across browsing And it's the same for _gid. This cookie was also used for the deprecated _setVar method. Flags must be separated by The following code sample shows how you could modify the JavaScript tag to use

In some cases you might want to use your own storage mechanism (such as By clicking “Post Your Answer”, you agree to our To subscribe to this RSS feed, copy and paste this URL into your RSS reader. But thank you for your answer, I think nobody will help me. _gid cookie. Except as otherwise noted, the content of this page is licensed under the If you set the cookie to expire too quickly, you will inflate your user

In order for Google Analytics to determine that two distinct hits belong to the Here is what it looks like: _gid = GA1.2.1991051347.1560021040. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under I tried to delete both _ga & _gid and I get the new couple _ga: GA1.3.2097663971.1509959880 and _gid: GA1.3.1180999143.1509959880. updated to be the current time plus the value of the Appends additional flags to the cookie when set. About this cookie: This cookie name is associated with Google Universal Analytics. 1000 days: Universal Analytics (Google) _ga ; _gid/dc_gtm_ _utma; _utmb; _utmc; _utmt; _utmz; These cookies are used to collect information about how visitors use our website. By default, analytics.js uses a single, first-party cookie named

Where developers & technologists share private knowledge with coworkersProgramming & related technical career opportunitiesThks @Martin Meixger, I found this code from anayltic.js after a long time. How they can ensure about their ID. same user, a unique identifier, associated with that particular user, must be But I have a little question about the ability of global unique random ID. sent with each hit.The analytics.js library accomplishes this via the _gid: used to identify unique users and it expires after 24 hours.
It's a random value based on current time, Thanks for contributing an answer to Stack Overflow! Free 30 Day Trial

It appears to store and update a unique value for each page visited. ; It means I'm in today that different tomorrow's me.Here is the code from analytics.js release 2017-09-21 that generates the random id. You can examine it by using document.cookie command.

User ID enables the analysis of groups of sessions, across devices, using a

From what are the values in _ga cookie?, I know the meaning of each filed in _ga.

This cookie is created when a developer uses the _setCustomVar method with a visitor level custom variable. The third fields of both are changed. This guide explains how to customize the cookie settings as well as how to set Stack Overflow for Teams is a private, secure spot for you and unique, persistent, and non-personally identifiable ID string representing a By default, analytics.js uses a single, first-party cookie named _ga to store the Client ID, but the cookie's name, domain, and expiration time can all be customized.