How to create HAR file

What is a HAR file?

The HAR (HTTP Archive) file format is a JSON-structured file containing all network traffic information about a browser's interactions with the server providing content for a webpage. Support engineers use it for troubleshooting.

How to get the HAR file?

Follow the next steps:

  1. Open Developer Tools (DevTools) in your browser:

    1. on Windows: press the F12 key or Ctrl+Shift+I;

    2. on Mac (Chrome): press Command+Option+I;

    3. on Mac (Safari): press Command+Option+C (Preferences -> Advanced -> "Show Develop menu in menu bar" checkbox should be enabled);

  2. Chose the “Network” tab:

  3. Reproduce the issue - repeat the same actions which lead to an error, incorrect or unpredictable result;

  4. Export the HAR file:

How is the HAR file used?

The HAR file allows support engineers to analyze the application state and identify the issue's root cause.