Responsive development is more than shrinking a desktop layout. This checklist focuses on hierarchy, navigation, touch targets, content flow and real breakpoint behavior.
Design for each breakpoint intentionally
A good mobile layout is not a scaled-down desktop. Rearrange content order, adjust spacing, simplify navigation and resize interactive visuals so the page remains useful on the smaller viewport.
Check overflow early
Wide fixed elements, absolute positioning, long unbroken text and large transforms can create horizontal scrolling. Test at small widths and inspect the element that extends beyond the viewport instead of masking the overflow globally.
Keep touch interactions usable
Buttons, navigation items, accordions and form controls need comfortable targets and enough spacing to avoid accidental taps. Hover-only interactions should have an equivalent touch behavior.
Test content, not just boxes
Real headings, project names, error messages and form labels wrap differently than placeholder text. Responsive QA should use the final content whenever possible.
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Good development starts with understanding the site, the people using it and the decisions that matter after launch.
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