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Design principle for adapting user interfaces to different screen sizes and devices.
Responsive design is a design paradigm for websites and applications that adapts layout, content, and interaction to varied screen sizes and input devices. It employs flexible grids, media queries, and relative units to maintain usability and performance across mobile phones, tablets, and desktop displays.
Measures time to first visible content on target devices.
Time until the page becomes fully interactive.
Share of sessions without interaction per device type.
A layout using percentage-based columns that adapt to container width.
Defined breakpoints for content layout and typography adjustments.
Develop responsive UI components in isolation and reuse across the product.
Analyze user devices and define breakpoints.
Establish a flexible grid system and responsive components.
Implement media queries and relative units.
Performance optimization (images, lazy-loading, minification).
Establish tests for various viewports and devices.