> ## Documentation Index > Fetch the complete documentation index at: https://docs.beyondwords.io/llms.txt > Use this file to discover all available pages before exploring further. # Player > Track and analyze audio engagement ## Overview The BeyondWords player tracks how your audience engage, distilling data into a set of key metrics for clear and actionable insights. player ## Metrics BeyondWords tracks the following metrics on a per-project and per-article basis. The metrics are updated every few minutes. ### Plays The number of times users hit play. We count one play per user session. ### Loads The number of times a page was loaded with the player. We count one load per user session. ### Engagement rate The percentage of Loads that converted into Plays. We calculate this as Plays divided by Loads. ### Unique users The number of unique users who hit play. We identify users with an anonymous ID stored in their browser. ### Avg. playback duration The average percentage completed per play. We measure this across all plays. ### Drop-off analysis The percentage of users remaining at each 10% interval. Shows how many continue from start to finish. ### Playback time The cumulative playback time of all plays. We measure this across all plays. ### Avg. playback time The average time spent per play. We measure this across all plays. ### Device analysis The percentage of users who played on each device. ## Filter metrics You can filter the metrics by the following: * **Content type**: Articles or Summaries * **Device**: Desktop, Mobile (web), Tablet (web), iOS (SDK), Android (SDK) * **Date range**: All time, Month to date, Today, Yesterday, Last 7 days, Last 14 days, Last 30 days, Last 90 days, Last 180 days, Custom