Images 1 checks

Format

Image format choice significantly affects file size and therefore page load performance. Modern formats like WebP and AVIF provide substantially better compression than legacy formats (JPEG, PNG, GIF) at equivalent visual quality. This check identifies images that could benefit from format modernization.

Legacy Image Format Warning

Images using JPEG/PNG/GIF where WebP or AVIF would be smaller at same quality.

Audit image formatsacross your site

The audit identifies every image using a legacy format where a modern alternative would improve performance.

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