Verify the Serve images in next-gen formats audit is passed.Make sure the Performance checkbox is selected in the Categories list.Press `Control+Shift+J` (or `Command+Option+J` on Mac) to open DevTools.Lighthouse's Serve images in next-gen formats performance audit can let you know if all the images on your site are using next-gen formats like WebP. Next, use Lighthouse to verify you've correctly implemented WebP images on the site. Once completed, the tags in index.html should look like this: Next, replace the tags for flower2.jpg and flower3.png with tags.In index.html replace with the following HTML:.The tag allows you to serve WebP to newer browsers while maintaining support for older browsers. Next, update this Glitch to serve WebP images to browsers that support it. You should now have 6 files in your images/ directory: flower1.jpg webp file extension) in the same directory.

This script converts, at a quality of 50, all the files in the images/ directory, and saves them as a new file (same filename, but with a. Run this script in the console (don't forget the backticks): ` for file in images/* do cwebp -q 50 ' $file' -o ' $.webp' done `.If you need to do this, you can use a script instead. However, running the cwebp command one image at a time like this would take a long time to convert many images. You've just successfully converted the image to WebP. Residuals bytes |segment 1 |segment 2 |segment 3 |segment 4 | total cwebp encodes images to WebP, while dwebp decodes images from WebP.Īfter doing this, you should see something like this in the console: Saving file 'images/flower1.webp' Are you wondering why you type cwebp instead of webp? WebP has two separate commands for encoding and decoding WebP images.

Batch webp to jpg converter