<ul data-eligibleForWebStory="false">JPEG conversion is crucial for web performance, offering high compression for images.Key characteristics include lossy compression, 24-bit color support, progressive loading, and adjustable quality.Benefits of JPEG include universal browser support, optimal compression for photos, SEO advantages, and bandwidth efficiency.Common scenarios involve converting from RAW formats, PNG to JPEG, and quality settings optimization.Advanced techniques like Progressive JPEG, Chroma Subsampling, and automation tools can enhance optimization.