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WebP format browser support article


On September 30, 2010, Google released an open source image format called WebP. Fast forward to today, it is widely supported by the majority of browsers, has made many improvements to the library codebase, and is used by some as an all-in-one replacement for images. PNG and JPEG images. WebP achieved a 26% better lossless compression than PNG and a better loss rate ranging from 25% to 34% compared to JPEG. Furthermore, WebP supports transparency without increasing the file size by more than 22%.

Web Browser Support

According to caniuse, currently 79.2% of browsers support the WebP image format. That will include Chrome, Firefox, and Edge. Safari will support WebP in version 14, which is expected to be released in September 2020. With Safari having almost 17% of the global browser market share this will push WebP to almost completely global support.

Although not all browsers currently support the WebP image format, it is important to note that, if set up properly, your website images will not appear corrupted to browsers. this. Instead, unsupported browsers will be offered a default image format, like PNG or JPEG, but only if you’re using an appropriate WebP-integrated solution. It is important to note which browser has the largest market share (Chrome) and what percentage of your website visitors are using a WebP Supported browser. Reviewing this information will help you better decide whether it would be advantageous to convert to WebP images.

Although the list above shows which browsers currently support WebP, it’s also worth mentioning that other browsers can also display WebP images using an “add-on” of sorts. For example, if your browser supports WebM, you can use a JavaScript shim like Weppy to display WebP images. Alternatively, the WebPJS library can also be implemented in your web project to display WebP images to browsers that do not support WebP.


Over the last decade WebP has made significant improvements and now the most used browsers almost all support the WebP image format. This is a huge achievement because now many users can benefit from the advantages that WebP certainly offers over PNG and JPEG. Many large companies like eBay and Facebook are actively using this image format to help save bandwidth thanks to compression improvements. Also, support for WebP is growing beyond web browsers just as more and more CMSs and platforms are providing users with methods of serving WebP format images.

As WebP can cut down on image sizes, this format makes it very attractive to website owners who want to reduce both their bandwidth costs and increase visitor satisfaction.

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