Google Ads Dimensions

Dimensions in Google Ads are defined through the segments mechanism. Segments let you break down aggregated metrics along different axes.

Device Segments

segments.device

The type of device on which the click occurred:

Value	Description
DESKTOP	Desktops and laptops
MOBILE	Mobile phones
TABLET	Tablets
CONNECTED_TV	Connected TVs
OTHER	Other devices

Network Segments

segments.network

The advertising network where the impression occurred:

Value	Description
SEARCH	Google Search network
SEARCH_PARTNERS	Search partners
DISPLAY	Display Network
YOUTUBE_SEARCH	YouTube Search
YOUTUBE_WATCH	YouTube Watch
SHOPPING	Google Shopping

Time Segments

Segment	Format	Description
segments.date	YYYY-MM-DD	By day
segments.week	YYYY-MM-DD	By week (Monday)
segments.month	YYYY-MM	By month
segments.quarter	YYYY-Q	By quarter
segments.year	YYYY	By year
segments.day_of_week	MONDAY..SUNDAY	By day of week
segments.hour	0..23	By hour

Geographic Segments

Segment	Description
segments.geo_target_city	City
segments.geo_target_region	Region
segments.geo_target_country	Country
segments.geo_target_metro	Metro area (US)

Conversion Segments

Segment	Description
segments.conversion_action	Conversion action
segments.conversion_action_name	Conversion action name
segments.conversion_action_category	Conversion category
segments.conversion_lag_bucket	Conversion lag (LESS_THAN_ONE_DAY, ONE_TO_TWO_DAYS, etc.)

Combining Segments

Segments can be combined:

SELECT
  campaign.name,
  segments.device,
  segments.date,
  metrics.impressions,
  metrics.clicks
FROM campaign
WHERE segments.date DURING LAST_7_DAYS
  AND segments.device IN ('DESKTOP', 'MOBILE')

Limitations:

• Some segment combinations are incompatible
• When using segments.date, you cannot use date aggregation
• No more than 5 segments per query

Related Pages

• Metrics
• Query Parameters
• Segments