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The State of WebP Browser Support

Updated on July 16, 2020
The State of WebP Browser Support

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 had many improvements to the library code base, and is used by some as an entire replacement for PNG and JPEG images. WebP achieves a 26 percent better lossless compression ratio than PNG and a better lossy ratio, which ranges between 25 percent and 34 percent than JPEG. Furthermore, WebP supports transparency without increasing the file size more than 22 percent.

WebP browser support

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

Although not all browsers currently support the WebP image format, it's important to note that, if set up properly, your website's images won't appear broken for these browsers. Rather, unsupported browsers will be delivered the default image format, like PNG or JPEG, but only if you are using an appropriate WebP integration solution. It's also important to note which browser has the greatest market share (Chrome) and what percentage of your website visitors are using a WebP supported browser. Reviewing this information should help you better decide whether it will be advantageous to convert to WebP images.

Although the list above shows which browsers currently natively support WebP, it's also worth mentioning that other browsers can also display WebP images by using an "add-on" of sorts. For example, if your browser supports WebM you can use a JavaScript shim such as Weppy to display the WebP images. Additionally, the WebPJS library can also be implemented within your web project to display WebP images to browsers that don't support WebP.

Summary

Over the last decade WebP has made significant improvements and now the most used browsers nearly all support the WebP image format. This is a great accomplishment because now more 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 the compression improvements. Additionally, the support for WebP is growing beyond that of just web browsers as more and more CMSs and platforms are providing users with methods of delivering WebP formatted images.

As WebP is able to cut down on image sizes, this format makes it very attractive to website owners who want to reduce both the cost of their bandwidth and increase visitor satisfaction. Read our WebP Support article for a complete breakdown of WebP support availability.

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