WebP is a modern image format developed by Google. It supports both lossy and lossless compression, transparency, and even animation. WebP images are typically 25-35% smaller than equivalent JPG or PNG files at the same visual quality. Google PageSpeed Insights specifically recommends WebP, making it critical for web performance and SEO in 2026.
Best for: Website optimization, e-commerce product images, blog content, landing pages, Progressive Web Apps.