How to Obtain a HAR File
Google Chrome:
- Ensure you're using the latest version of Chrome. Click the browser icon above to update if needed.
- Navigate to the page where the HTTP(s) URL Sequence needs to be monitored.
- Open the Chrome menu (top-right corner) and select More Tools → Developer Tools, or simply press F12. The Developer Tools panel will open.
- Go to the Network tab and enable Preserve log.
- If the red circle at the top-left of the Network tab is black, click it to start capturing.
- Refresh the page and complete the necessary website transaction.
- Right-click any row in the activity pane and select Save all as HAR with Content, or click the Export HAR icon to download the HAR file.
Firefox:
- Ensure you're using the latest version of Firefox. Click the browser icon above to update if needed.
- Navigate to the page where the HTTP(s) URL Sequence needs to be monitored.
- Open the Firefox menu (top-right corner) and select Web Developer → Network, or simply press F12.
- Go to the Network tab and enable Persist Logs in Network Settings.
- Refresh the page and complete the necessary website transaction.
- Right-click any row in the activity pane and select Save all as HAR, or click the Export HAR icon to download the HAR file.
Safari:
- Ensure you're using the latest version of Safari. Click the browser icon above to update if needed.
- Navigate to the page where the HTTP(s) URL Sequence needs to be monitored.
- Enable Developer Tools via Safari > Preferences > Advanced and check Show Develop menu in menu bar.
- In the menu bar, click Develop and select Show Web Inspector.
- Go to the Resources tab and enable Preserve Logs. Then, switch to the Network tab.
- Refresh the page and complete the necessary website transaction.
- Right-click any row in the activity pane, select Copy All as HAR, and paste it into a new text file with a “.har” extension. Save the file and email it for analysis.
Microsoft Edge (Chromium):
- Ensure you're using the latest version of Edge. Click the browser icon above to update if needed.
- Navigate to the page where the HTTP(s) URL Sequence needs to be monitored.
- Open the Edge menu (top-right corner) and select More Tools → Developer Tools, or simply press F12.
- Go to the Network tab and deselect Clear entries on navigate.
- Ensure the green play button (Start Profiling Session) is active, meaning the capture function is running.
- Refresh the page and complete the necessary website transaction.
- Click the Export as HAR icon to download the HAR file.
Brave:
- Ensure you're using the latest version of Brave. Click the browser icon above to update if needed.
- Navigate to the page where the HTTP(s) URL Sequence needs to be monitored.
- Open the Brave menu (top-right corner) and select More Tools → Developer Tools, or simply press F12.
- Go to the Network tab and enable Preserve log.
- If the red circle at the top-left of the Network tab is black, click it to start capturing.
- Refresh the page and complete the necessary website transaction.
- Right-click any row in the activity pane and select Save all as HAR with Content, or click the Export HAR icon to download the HAR file.