Which Default Traffic Source Dimensions Does Google Analytics Report For Each Website Visitor?
Gordon Choi
Author
- Chapter 05 – Google Analytics Traffic Sources
One of the main jobs of Google Analytics is to get the traffic sources correct in your reports.
- Google Analytics determines where a user came from (i.e. referrer) when he / she arrives at your website.
- Google analytics gets the referrer information (i.e. the URL of the previous web page) from the user’s browser.
- The two dimensions (i.e. Source and Medium) are assigned values of referrer information by Google Analytics.
- By default, Google Analytics categorizes traffic sources into organic search, referral and direct.
Organic search traffic
Organic search is the traffic that comes from search engines where source is the name of a search engine (that is in the default list of search engines of Google Analytics, or that has been manually added to your Google Analytics property’s new search engine), and medium is “organic”. For example:
source=baidu medium=organic
Referral traffic
Referral is the traffic that comes from a non search engine website. i.e. The domain name of this website is not in the default search engine list of Google Analytics, or it has never been manually added to your Google Analytics property as a new search engine. Source is the domain name of the non search engine website, and medium is “referral”. For example:
source=zhihu.com medium=referral
Direct traffic
Direct is the traffic that has no source. It happens when a user types in your site’s URL into the browser, uses a bookmark in the browser, or clicks a hyperlink (of your site’s URL) that automatically opens a browser. Source is “direct” and medium = “(none)”.
source=direct medium=(none)
The last-click attribution
In web analytics, attribution refers to the method of crediting traffic sources to metrics or actions. The metrics can be a session, a page view, a goal conversion or other measurable events.
Let’s consider an example.
- A user could have visited your website multiple times through multiple sources.
- For all the sessions of this user that have happened on your site, Google Analytics recorded all the traffic sources.
- By default, Google Analytics uses the last-click attribution model to report traffic sources for this user.
- The exception is if this user’s last-click to your site has recorded source “direct” and medium “(none)”, then Google Analytics would report the source and medium information from the user’s previous session to your site. This means by default direct traffic cannot overwrite the traffic source that is not direct traffic.
Previous Chapters
- Chapter 04 – Google Analytics Tracking Codes
Next Chapters
- Chapter 06 – Google Analytics Custom Dimensions & Custom Metrics
- Chapter 07 – Google Analytics Goal Tracking
- Chapter 08 – Google Analytics Enhanced Ecommerce Tracking
Content on Gordon Choi’s Analytics Book is licensed under the CC Attribution-Noncommercial 4.0 International license.
Gordon Choi’s Other Books:
The China Mobile SEO Book
Mobile Website Book
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