Qlik Products: Save network web traffic (HAR/XML file) and console logs from the browser's developer tools

Damien_V — Wed, 18 Feb 2026 09:10:46 GMT

This article explains how to save network logs in web development tools and the console logs from the browser and how to capture and read client-side response trace with HAR file analyzer.

The article can be applied to different products, such as Qlik Cloud Analytics, Qlik Talend Cloud, or Qlik Sense Enterprise on Windows.

For Qlik Sense, it is essential that the trace is started before Qlik Sense login so that WebSocket creation is captured.

Google Chrome and Microsoft Edge (new Chromium version):

Open developer tools (Menu > More tools > Developer tools or Ctrl + Shift + I or F12)
Select the Network tab.
Make sure that "Preserve log" is checked so that all traffic is captured.
Access or refresh the page traffic needs to be captured for or a problem should be reproduced in
Perform the steps to cause the behavior/issue
Click on the down arrow "Export HAR..." button or Right-click within the Network capture pane then choose 'Save as HAR with content' and save the .har capture locally.
Click on the Console tab > right-click > Save As > Save on the .log file

To read the files, use a tool such as the HAR Analyzer https://toolbox.googleapps.com/apps/har_analyzer/

Firefox (41+) :

Go to Menu > Web Developer > Network
Reload the page you want to get the log for
Perform the steps to cause the behavior/issue.
Note: For Qlik Sense it is important that the trace is started prior to Qlik Sense login so that WebSocket creation is captured.
Right-click > Save All as HAR
Click on Console tab, Right-click > Select All.
Right-Click > Export Visible Message To > File, and save on a .txt file.

Internet Explorer and Microsoft Edge (older versions):

Open Developer Tools (F12)
Go to the network tab and click on the green arrow to start the tool
Refresh the page to capture the logs
Perform the steps to cause the behavior/issue
Note: For Qlik Sense it is important that the trace is started prior to Qlik Sense login so that WebSocket creation is captured.
Click 'Export captured traffic' icon and choose XML or HAR format.
Click on Console tab > right-click > Copy All, and paste it / save on a .txt file.

To read the files, use a tool such as the HAR Analyzer https://toolbox.googleapps.com/apps/har_analyzer/

iPad or iPhone Safari:

On the iPad or iPhone, open the Settings app and go to Safari, Advanced. Enable the Web Inspector.
On the Macintosh, launch Safari --> Preferences --> Advanced --> Show Develop menu in tab bar

Further Troubleshooting

On the iPad/iPhone, access the QlikView / Qlik Sense site you are having issues with
On the Mac, launch Safari --> Develop menu --> pick the name of the iOS device and select the site to inspect.
The Web inspector will launch. Select Networking and then, on the iOS device, start reproducing the issue.

The Web Inspector can be used not only with iOS devices, but also with the iOS Simulator for Mac. Please, check the "How to simulate iOS Safari on a Mac" article.

Re: Save network web traffic (HAR/XML file) and console logs from the browser's developer tools

Shohamgg — Mon, 27 Nov 2023 16:42:37 GMT