How to troubleshoot Prisma Browser Performance Issues?

How to troubleshoot Prisma Browser Performance Issues?

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Created On 09/18/25 16:42 PM - Last Modified 12/10/25 02:01 AM


Objective


To guide on how to troubleshoot and isolate Prisma Browser Performance-related issues.



Environment


Prisma Browser



Procedure


The best way to troubleshoot it is by setting a "Clean" browser security policy. To configure a clean policy, the admin will need to do the following:

  1. Open the Rules tab (under Policy)
  2. Add rule → Browser Security
  3. Give a name → set to active → Scope → Choose the user/s with the issue in the scope.
  4. Browser security controls: Make sure to disable or allow controls 
  5. Note: Some controls, like Trusted Certificate Authorities, Extensions, Internet Explorer Compatibility Mode, and others, should be set without a value
  6. Save the policy → make sure the end user closes the browser and tries again.

Log Level Settings:

  1.  Verify if the log level is set to "Enhanced" for the affected URLs.
  2. If so, change the log level to "On" for all rules (not only the impacted rule/s) and test again.
  3. The "Enhanced" log level records the screen, which may impact performance.

User & System Details:

  1. Identify the impacted users.
  2. Collect browser version and OS/Windows version details.
  3. Ensure they are running the latest version, as outdated versions may cause issues.
  4. Check if Keylogger Protection is set to "Enabled" under Browser Security Rules. Disable it and test.

Traffic routed through Prisma Access:

  1. Confirm if traffic decryption is enabled, as it may contribute to performance issues.

Additional Troubleshooting:

  1. Test and record the performance of the same website on Chrome or Edge for comparison.


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