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Newtab do no harm

Guardrail metrics for the New Tab. Includes user experience and revenue-related metrics for Search, Pocket and AdMarketplace Sponsored Tiles.

Source | Edit

Metrics

**Sponsored Pocket Click Through Rate **

Rate of Clicks per impression for Sponsored Pocket Content

Analysis Period: weekly, overall

Data Source: ``

Statistics: population_ratio

Definition: 
None

**Sponsored Tile Click Through Rate **

Rate of Clicks per Impression Sponsored Tiles (aka Sponsored Topsites on New Tab) across all positions.

Analysis Period: weekly, overall

Data Source: ``

Statistics: population_ratio

Definition: 
None

organic_pocket_impressions

**Organic Pocket Impressions **

Count of impressions on Organic Pocket content.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(organic_pocket_impressions), 0)

organic_pocket_clicks

**Organic Pocket Clicks **

Count of clicks on Organic Pocket content.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(organic_pocket_clicks), 0)

**Sponsored Pocket Impressions **

Count of impressions of Sponsored Pocket content.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(sponsored_pocket_impressions), 0)

**Sponsored Pocket Clicks **

Count of clicks on Sponsored Pocket content.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(sponsored_pocket_clicks), 0)

newtab_organic_topsite_impressions

**Newtab Organic Tile Impressions **

Count of New Tab organic tile impressions across all positions.

Analysis Period: weekly, overall

Data Source: newtab_visits_topsite_tile_interactions

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(topsite_tile_interactions.organic_topsite_tile_impressions), 0)

newtab_organic_topsite_clicks

**Newtab Organic Tile Clicks **

Count of New Tab organic tile clicks across all positions.

Analysis Period: weekly, overall

Data Source: newtab_visits_topsite_tile_interactions

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(topsite_tile_interactions.organic_topsite_tile_clicks), 0)

**Sponsored Tile Impressions **

Count of impressions of Sponsored Tiles (aka Sponsored Topsites on New Tab) across all positions.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(sponsored_topsite_tile_impressions), 0)

**Sponsored Tile Clicks **

Count of clicks of Sponsored Tiles (aka Sponsored Topsites on New Tab) across all positions.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: linear_model_mean, sum

Definition: 
COALESCE(SUM(sponsored_topsite_tile_clicks), 0)

newtab_gt4_searches

**Any Newtab Searches **

Client performed any Newtab Handoff searches during the experiment

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: binomial

Definition: 
COALESCE(CASE WHEN SUM(searches) > 4 THEN 1 ELSE 0 END, 0)

newtab_any_searches

**Any Newtab Searches **

Client performed any Newtab Handoff searches during the experiment

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: binomial

Definition: 
COALESCE(LOGICAL_OR(searches > 0), FALSE)

newtab_engagement

**Newtab Engagement **

Whether or not the client had a newtab search OR a pocket click OR a tile click.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: binomial

Definition: 
COALESCE(MAX(CASE WHEN visits_with_non_impression_engagement > 0 THEN 1 ELSE 0 END), 0)

newtab_homepage_enabled

**Newtab Homepage Enabled **

Whether or not the homepage is set to display the default New Tab page.

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: binomial

Definition: 
COALESCE(MAX(IF(newtab_homepage_category = 'enabled', 1, 0)), 0)

newtab_ad_click_rate

**Newtab Ad Click Rate **

New Tab ad clicks divided by New Tab searches with ads

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: deciles, bootstrap_mean

Definition: 
SAFE_DIVIDE(COALESCE(SUM(tagged_search_ad_clicks), 0),  COALESCE(SUM(tagged_search_ad_impressions), 0))

newtab_engaged_visits

**Newtab Engaged Visit Count **

Count of New Tab visits with any engagement

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: deciles, bootstrap_mean

Definition: 
COALESCE(SUM(visits_with_non_impression_engagement), 0)

newtab_visits

**Newtab Visit Count **

Count of New Tab visits

Analysis Period: weekly, overall

Data Source: newtab_clients_daily

Statistics: deciles, bootstrap_mean

Definition: 
COALESCE(SUM(newtab_visit_count), 0)

Data Sources

newtab_visits_topsite_tile_interactions- Topsite Tiles Visit Activity Daily

Topsite Tiles Visit Activity Daily

Definition:

``

Definition:

newtab_clients_daily- New Tab Clients Daily

New Tab visit aggregated to client-day level

Definition: