Image Optimization
A set of techniques for minimizing file size while maintaining acceptable visual quality, directly improving web performance and Core Web Vitals.
Image optimization encompasses techniques for minimizing file size while preserving acceptable visual quality. Images often account for over 50% of total page weight, making optimization one of the most impactful performance improvements.
Key techniques include selecting appropriate formats (adopting WebP/AVIF), adjusting compression ratios, stripping unnecessary metadata, resizing to appropriate dimensions, and implementing lazy loading. Combined, these can reduce file sizes by 60-80%.
The image compression tool reduces file size while maintaining quality, and the conversion tool enables next-gen format adoption. Google's PageSpeed Insights and Lighthouse provide specific optimization recommendations for regular auditing.