Google Analytics Dimensions & Metrics Explorer

こちらにディメンション一覧が掲載されております。
https://developers.google.com/analytics/devguides/reporting/core/dimsmets

例:
ga:users : The total number of users for the requested time period.
ga:newUsers : The number of sessions marked as a user’s first sessions.
ga:1dayUsers : Total number of 1-day active users for each day in the requested time period. At least one of ga:nthDay, ga:date, or ga:day must be specified as a dimension to query this metric. For a given date, the returned value will be the total number of unique users for the 1-day period ending on the given date.

and so on.

使えそうなところとして
-ga:newUsers:The total number of users for the requested time period.
-ga:hits:Total number of hits for the view
-ga:referralPath:The path of the referring URL (e.g., document.referrer). If someone places on their webpage a link to the property, this is the path of the page containing the referring link.
-ga:pageTitle:The page’s title. Multiple pages might have the same page title.
-ga:pageviews:The total number of pageviews for the property.
-ga:avgTimeOnPage:
-ga:date:The date of the session formatted as YYYYMMDD.
-ga:deviceCategory:The type of device: desktop, tablet, or mobile.