These picture look the same — but they ’re not . Because the signboard on the right , hypothetically , bring up nigh 40 % less blank space . That ’s the version in WebP , Google ’s architectural plan to accelerate up the internet by slimming down its images .
What is WebP ? It ’s a new graphics format that Google hopes will make data file transfers quicker than presently potential with the relatively bulky JPEG standard . WebP , like JPEG , is a method of “ lossy densification , ” mean that it does n’t utterly reproduce image , but gives you a choice between file size and image quality . THere are important difference between the two , though , according to Google :
To improve on the compression that JPEG provides , we used an look-alike compressor establish on the VP8 codec that Google open - sourced in May 2010 . We applied the techniques from VP8 video intra human body encipher to push the envelope in still effigy steganography . We also adapt a very lightweight container base on RIFF . While this container data format chip in a minimal smash of only 20 bytes per image , it is extensible to allow authors to save meta - data point they would wish to store .
agree to Google , images make up about 65 % of bytes transmitted across the web today . Any way to boil down that would be hugely valuable for easing Google ’s tremendous meshwork burden . That ’s a mammoth “ would , ” though — JPEG is deeply entrenched on the connection , and WebP file take abouteight times longerto encode . There ’s also no web internet browser support yet — which is why our example above is suppositious .
Of naturally , native support for Chrome is all but inevitable , which means its front on other WebKit browsers — like Safari — is equally assured . It ’s no easy thing , launching a new data file format , but if anyone ’s got the scurf and the determination to succeed , it ’s Google . [ Chromium Blog , CNET ]
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