Advanced Level – Cross-Cutting
Cross-Browser Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Testing that verifies a web application works correctly across different web browsers and versions.
In simple words
Run the app across Chrome, Firefox, Safari, Edge and old versions to confirm consistent behavior.
Exam tip
Cross-browser matrices should follow real user analytics, not everything on the market.
Related terms
- Compatibility TestingVerify the app plays nicely with other browsers, OSes or apps.
- Cross-Platform TestingTest the same app across Windows, macOS, Linux, iOS, Android — behavior should match.
- Test EnvironmentThe setup where tests run — servers, browsers, DBs, feature flags — ideally close to production.
Practice this term in the ISTQB Mock Test
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