web performance optimization
*.avif *.webp images css background usage progressive enhanced with image-set
Part 3 of my new image formats as background-image journey (part 1, part 2). Avif and webp images bring a positive impact on every webpage's payload performance. Today (March 16 2021) avif works only in chromium based browsers and webp have "partial support" in macOS safari, we cannot use one-for-all.