Differences Between Supported Browsers

You may encounter differences in the test results and in the test run when replaying on a browser different than the one you recorded the script on.

Note: TruClient Lite supports only the Chrome browser. For details, see TruClient Lite.

The following table describes features that have limitations in one or more of the browsers.




Internet Explorer

TruClient Browser

Browser description

Open-source Web browser developed for Windows, OS X, and Linux.

Chromium is an open-source Web browser project from which Google Chrome draws it source code.

Chromium source code on Github

Browser developed for Microsoft Windows.

TruClient browser developed for Windows, based on Mozilla technology.

Note: The TruClient Browser is provided as a tech preview version.

Browser version

Firefox 40.03

Chromium 63 (supported in TruClient 12.57)

Chromium 55 (supported in TruClient 12.56)

Internet Explorer 10, 11 Equivalent to Firefox version 55.0.3

Modify browser preferences

(see Modify Browser Preferences)

SSL Connections

Report the number of open SSL connections.

Firefox version 33 and above no longer reports SSL connection count as a data point.

Chromium does not expose the number of open SSL connections.

TruClient Browser does not expose the number of open SSL connections.

Responsive design based application

(see Responsive Design Based Applications)

Record snapshots

Snapshots generated during the recording of a script.

Modem speed emulation




Not supported

Partially supported

Note: All browsers support:

  • TruClient Coded, which enables converting TruClient actions to code. For details, see Convert TruClient Actions to Code.

  • Network Virtualization reports integration, which provides information about how your application performs over various networks. See NV Insights Report.

  • Network Virtualization emulation integration, which enables configuring a WAN profile on the group in the Controller.

  • Diagnostics integration, which enables server side diagnostics for J2EE and .Net applications.

  • Automatically or manually attaching the client certificate to the script folder when recording a script.

  • IP spoofing, which enables mimicking multiple IP addresses from the same load generator.

  • Verifying the content of a PDF document during script execution.

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