Atlas › 09 Mobile & Cross-Platform Testing › Responsive Design Testing☰ Read as one page
Responsive Design Testing
3.1Beyond Screenshot ComparisonTraditional responsive testing took screenshots at different widths and compared them visually. This approach fails because it cannot…3.2Viewport Breakpoint ConfigurationDefine your test viewports to cover the critical breakpoints where layouts change:3.3AI Agent Responsive Testing PatternWhen an AI agent tests responsive layouts, it can reason about functional correctness rather than visual similarity:3.4Dynamic Viewport Resizing TestTest that layouts remain stable during continuous resizing (important for foldable devices and desktop window resizing):3.5Common Responsive Bugs to Test ForThe most common responsive bug: content wider than the viewport causes a horizontal scrollbar.3.6Responsive Testing in CIResponsive testing is not optional for any public-facing application. The investment in automated viewport testing pays for itself by…