Create a HAR Format File

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A HAR file contains information a web browser generates about how the browser loads a page’s element. It can be useful to help determine if specific elements may be slowing the loading process.

Important Note:

  • The instructions in this article are created based on the Google Chrome browser. Instructions may vary if you use a browser other than Chrome.

  • Browser-specific instructions and HAR file analysis are available in the Google Admin Toolbox HAR Analyzer.

Who can use this feature?

System Administrators | Owners | Publishers | Authors

Instructions

  1. Navigate to the website's home page (or other desired page)

  2. Press F12 on your keyboard to open the browser tools

    • To open the browser tools with your mouse instead of your keyboard, right-click any empty area of your browser window and left-click the "Inspect" option in the context menu that appears.

  3. Select Network from the list of tabs:The Browser Tools console screen with the Network tab highlighted.

  4. Press F5 on your keyboard to refresh the page

  5. Wait for the page to fully load (some scripts may continue to load once the page has finished)

  6. Ensure that you check the Preserve log checkbox:The Network tab of the Browser Tools with the Preserve Log checkbox highlighted.

  7. Select the Export button:The Network tab of the Browser Tools with the Export icon highlighted.

  8. Save the HAR file to your computer:The Windows Explorer dialog window with the Save button highlighted to save a HAR format file.


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