Google continues to floor on its new image format WebP introduced in September 2010 and has new features that place it more in competition with current standards.
Based on the VP8 video codec, WebP promises to offer a quality format of JPEG images with a reduced weight, however, up to 40%. Already introduced in Chrome, WebP was welcomed with open arms by the company Opera Software for integration into their browser but did not convince the Mozilla Foundation for support for Firefox. The Mountain View Company has continued to refine this new ad format and including a lossless compression mode. Until now, to reduce the size of an image to be inserted in a web page, the compression would require degradation in quality. Now the management mode lossless will reduce the weight of the image without necessarily degrading it. An image format WebP would be from 25 to 34% lighter than JPEG.
By unveiling WebP Google also took the JPEG images as a benchmark. Now engineers say their format can replace the PNG. And for good reason, WebP now supports transparency. “On average we get a reduced weight by 45% starting our comparisons with PNG found on the web,” explains Google. This rate would be 28% if the PNG file has been optimized with the tools PNGCruch and PNGOut.
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