Skip to content

Reader mode

Usage and engagement metrics for the Reader Mode feature.

Source | Edit

Metrics

reader_mode_total_duration

Time spent in Reader Mode

Total length of Reader Mode sessions (in seconds)

Analysis Period: weekly, overall

Data Source: events

Statistics: bootstrap_mean

Definition:
SUM(CASE
          WHEN event_category = "readermode" AND event_method = "view" AND event_object = "off"
            THEN SAFE_CAST(mozfun.map.get_key(event_map_values, "reader_time") as int64)
          ELSE 0
        END
    )

reader_mode_scroll_to_end_count

Reader Mode scrolls to end

Number of times Reader Mode was closed and user had scrolled to end of article

Analysis Period: weekly, overall

Data Source: events

Statistics: bootstrap_mean

Definition:
COUNTIF(
        event_category = "readermode"
        AND event_method = "view"
        AND event_object = "off"
        AND SAFE_CAST(mozfun.map.get_key(event_map_values, "scroll_position") as int64) = 100
    )

reader_mode_open_count

Reader Mode opens

Number of times Reader Mode was opened

Analysis Period: weekly, overall

Data Source: events

Statistics: bootstrap_mean

Definition:
COUNTIF(
        event_category = "readermode"
        AND event_method = "view"
        AND event_object = "on"
    )

Data Sources

events

Definition: