Generating HAR files and Analysing Web Requests

Owned by Almuth Boehme [Communardo]
Last updated: Jul 21, 2023 by mxh-adminVersion comment
1 min read

To solve you support case we need accurate and specific data. The data in the HAR files may contain sensitive information. This information is treated with the utmost care by the support team in accordance with relevant data security laws. It will only be used to solve your support cases and will never be shared with third parties.


HAR is the short form for HTTP ARchive format, which tracks all the logging of web browser's interaction with a site.

HAR files can be a requirement for troubleshooting issues specifically for problems listed below:

  • Performance Issue: slow page load, timeout when performing certain task
  • Page rendering : incorrect page format, missing information

Steps

Chrome

To diagnose support problems, the network tab can be used:

  1. Open up Chrome and enable the Developer Tools with the F12 key.
  2. Select the network tab.
  3. Load the page with the problem.
  4. Wait until it has finished loading.
  5. Complete the steps that trigger or demonstrate your issue.
  6. Right-click in the table body > Select "Save as HAR with content".
  7. Attach the file to the support ticket.

Firefox

  1. Press F12 or go to Tools > Web Developer > Network
  2. Refresh the page to start capturing the traffic between the browser to the server.
    • Note: Please capture a full page load so we can see the requests made prior to the problem we're analyzing.
  3. Complete the steps that trigger or demonstrate your issue.
  4. Click on Export followed by Save As... to save the HAR file
  5. Attach the file to the support ticket.