web performance optimization gracefully deprecating your legacy codebase You're running a legacy codebase, supporting browser from 2013 and you want to avoid that your users are unable to use your service with your next release or you want to enrich your user experience with a new feature, but not writing more legacy code and not ship more polyfills.
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.
web performance optimization avif and webp images as css background images UPDATE: I was late at the image-set party, please read this blog post, how to support avif and webp images in your project.Safari is late at the webp party, whilst Firefox and chromium-based browsers heading to the avif party. This means I need to extend my webp feature detection
frontend WebP image and background usage in web projects UPDATE: I was late at the image-set party, please read this blog post, how to support avif and webp images in your project.With Firefox 65 joining the WebP party and thanks to the incredible squoosh app, WebP becomes more than just a lighthouse proposal. So it is time to
