qa-detect-responsive-images

To check for missing srcset and sizes attributes, scan your page to detect responsive image defects that cause a single-resolution asset to be served to every device. This process flags images lacking proper viewport-sensitive markup before release.

Images overflow narrow mobile screens when they lack max-width or percentage-based CSS sizing constraints. A responsive image audit flags these layout safety issues by verifying width behavior against viewport dimensions.

The best way to find below-the-fold images missing lazy loading is to perform a performance audit that scans viewport-sensitive interfaces. This detects images lacking lazy load attributes and identifies oversized natural dimensions wasting bandwidth.

Yes, you can audit a product page with large hero and gallery images to catch responsive delivery and sizing problems. It checks natural-versus-display dimensions to identify oversized images whose natural dimensions waste bytes.

Yes, this responsive image checker works with browser audits of viewport-sensitive interfaces including product pages, galleries, hero banners, and below-the-fold content. It evaluates srcset, sizes, lazy loading, and CSS width behavior across viewports.