Chapter 4 – Test Techniques
Visual Regression Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A form of testing that detects unintended visual changes by comparing screenshots of a UI against a baseline.
In simple words
Pixel-diff the UI against a saved baseline and flag anything that changed.
Exam tip
Prone to false positives from fonts, antialiasing, and dynamic content.
Related terms
- Visual TestingCompare screenshots against baselines to catch UI regressions that functional tests miss.
- Snapshot TestingSave the current output as the truth; fail if it ever changes.
- Regression TestingAfter any change — bug fix, new feature, config update — you re-run existing tests to make sure nothing that used to work has broken.
Practice this term in the ISTQB Mock Test
40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
Practice in Mock Test