What Is Back-to-Back Testing?

What Is Back-to-Back Testing?
November 10 10:02 2015 Print This Article

Note: This article was updated in May 2020


Back-to-back testing is a software testing type widely used by testers. Why did it gain such popularity? The reason is simple – its effectiveness. It saves much time for the testers. This article can be useful for those who want to get acquainted with the basics of Back-to-back testing.


Back-to-back testing is a type of testing which is conducted if there are two or more variants of components with similar functionality. It is also called Comparison Testing. The aim of back-to-back testing is comparing the results to check if there are any divergences in the work.

Back-to-back testing process

  • The process of Back-to-Back testing is quite simple and clear. It consists of such steps:
  • Test Cases preparation
    Test cases are designed
  • Application running
    Executing the testing and storing the results in different files
  • Comparison and reporting
    Test results are automatically compared and after that report which includes indicated problems in the different versions.

Benefits of Back-to-back testing

This type of testing is widely used and it possesses several benefits. Most engineers find it unnecessary to perform usability testing or performance testing. They use back-to-back testing instead for some reasons:

  • it can single out the potential weak and strong spots of the compared versions
  • it is cost-effective
  • it analyses the important software features requiring modifications
  • it can be conducted even after substantial changes
  • it helps to understand the system structure better, the results can serve as a basis for further changes.


Back-to-back testing has several benefits both for developers and customers. It has reached a great popularity because of its being effective, fast and time-saving. Using this testing type is a must for companies who want to enhance the testing process and understand the software system better.

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Tetiana Sukmanik
Tetiana Sukmanik

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