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What is Responsive design?

Responsive web design is building websites that automatically adapt their layout to any screen — phone, tablet, or desktop. Using flexible grids and media queries, one site reshapes itself so it looks and works well everywhere.

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Watch a 2-minute lesson with voice + animation that explains responsive design.
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Key things to understand

  • 1One site adapts to any screen size.
  • 2It uses flexible layouts and media queries.
  • 3It avoids separate mobile and desktop sites.
  • 4It's now essential for usability and SEO.

Frequently asked questions

What is responsive web design?
Designing sites that automatically adjust their layout to look good on any screen size.
Why is responsive design important?
Most traffic is mobile, and search engines favor mobile-friendly, responsive sites.
How does responsive design work?
Flexible grids, scalable images, and CSS media queries reshape the page for each device.

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