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App performance metrics

List of app performance metrics supported by App Performance Testing.

App Performance Testing supports a wide-range of performance metrics such as installed app size, launch time, UI rendering performance, device resource usage, and more.

The following table list the app performance metrics:

Factor Performance Metric Description Android iOS
Space efficient Installed App Size (MBs) Measures the amount of space the app takes after installation. Supported Supported
Natural and responsive UI Slow Frames Rendered (%) Measures the percentage of frames taking >= 16.67 ms to render. Supported Supported
  Frozen Frames Rendered (%) Measures the percentage of frames taking >= 700 ms to render. Supported NA
  No. of ANRs (App not Responding) Measures the number of times UI thread is blocked for >= 5s in the session. Supported NA
Efficiently uses device resources Avg/Max CPU Usage (%) Measures the app’s CPU usage. Supported Supported
  Avg/Max Memory Usage (MBs) Measures the app’s memory footprint. Supported Supported
  Total Battery Consumed (%) Measures the percentage of battery capacity consumed by the app. Calculated by dividing total battery discharged (mAh) over Device’s Battery Capacity. Supported Supported
  Total Disk Reads/Writes (MBs) Measures the amount of data app reads/writes to disk. Supported Supported
  Total Network Uploads/Downloads (Kbs) Measures the amount of data app uploads/downloads via the network. Supported Supported
  No. of API requests Measures the number of API requests app does in the test session. Supported Supported
  Avg. Response Time (ms) Measures the average response time of network requests in the session. Supported Supported
  Total Bytes Transferred (MBs) Measures the total bytes transferred via the network in the session. Supported Supported
Page load time Activity Load Time (ms) Measures the load time for each Android activity rendered in the session. Supported NA
App Launch Time Cold Start Time Time required for the app to launch again. Planned for future release Planned for future release

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