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 | |
| Network Logs | Captures API request details like HTTP headers, status codes, response times, content, and size during a manual app performance test. | 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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