The WebP image format, is known for providing a superior lossless and lossy compression for images around the web. Using WebP, webmasters and web developers can create smaller, richer images that make the web incredibly faster. WebP lossless images are 26% smaller in size compared to PNGs. WebP lossy images are 25-34% smaller than comparable JPEG images at equivalent SSIM quality index. For more information about this format, please be sure to read its introduction by the Google Developers here . Till the date, you can't verify wheter this format is supported in the browser in JavaScript using a predefined method, however you can create your own method to do it using a little trick. The logic to verify if the webp format is supported with Plain JavaScript is the following: the first you need is a base64 string with some image in webp format, in this case we'll use a white image of 1px that is already in this format, then this string needs to be converted into a Blob. There a...