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Newtab visibility

Measures if New Tab is enabled for new tabs and new windows. If these measures decline, users are taking some action that disables New Tab.

Source | Edit

Metrics

newtab_sessions

**Count of New Tab sessions **

How often users saw New Tab during an analysis window

Analysis Period: weekly, overall

Data Source: as_sessions

Statistics: deciles, bootstrap_mean

Definition: 
COUNT(document_id)

saw_newtab

**Ever saw New Tab **

The fraction of users that saw New Tab during an analysis window

Analysis Period: weekly, overall

Data Source: as_sessions

Statistics: binomial

Definition: 
COUNT(document_id) > 0

new_tab_enabled_in_new_windows

**New Tab enabled in new windows **

Whether New Tab is displayed upon opening a new window

Analysis Period: weekly, overall

Data Source: main

Statistics: binomial

Definition: 
ARRAY_AGG(
        COALESCE(mozfun.map.get_key(environment.settings.user_prefs, "browser.startup.page") != "0", TRUE)
            AND (mozfun.map.get_key(environment.settings.user_prefs, "browser.startup.homepage") IS NULL)
        ORDER BY submission_timestamp DESC
        LIMIT 1
    )[SAFE_OFFSET(0)]

new_tab_enabled_on_new_tabs

**New Tab enabled on new tabs **

Whether New Tab is enabled for new tabs in existing windows.

Analysis Period: weekly, overall

Data Source: main

Statistics: binomial

Definition: 
ARRAY_AGG(
        mozfun.map.get_key(environment.settings.user_prefs, "browser.newtabpage.enabled") IS NULL
        ORDER BY submission_timestamp DESC
        LIMIT 1
    )[SAFE_OFFSET(0)]

Data Sources

main- Main

Main ping table

Definition:

as_sessions

Definition: