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Why cloud tests run slower in Katalon Studio

When using Test Execution Cloud in Katalon Studio, you might encounter slow test execution time. For example, opening a browser window can take a few seconds.

Execution time in Katalon Studio is usually longer than in Katalon True Platform due to the following factors:

  • Test Execution Cloud devices are hosted in several regions with multiple Internet hops that increase latency.
  • Katalon Studio and Katalon Test Execution - Local sequentially send Selenium commands to Test Execution Cloud using the Remote WebDriver protocol. This can increase execution time if the script or custom keywords contain many individual steps.

The following diagram compares the execution models: local execution, execution with Katalon Studio, and execution with Katalon True Platform.

Test Execution Cloud execution models

The execution model with Katalon True Platform achieves the same network performance as a local machine because most components are hosted in the Katalon network. This model also removes the need to maintain an online machine to host Katalon Studio or Katalon Test Execution - Local.

To reduce latency, we recommend uploading your tests to Katalon True Platform and scheduling them with Test Execution Cloud.

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