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Improve PageSpeed by optimising images

Reduce filesize with jpegoptim, optipng, pngcrush and pngquant

Sep. 26, 2018 -

One way to make your website faster is to make it smaller. Not with tiny fonts, but with less bytes! More than half the weight of an average website is because of images. Yet very few people optimise their images for the web and performance, time to find out how much bytes you can safe!

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Typical slide on pace-cme.org
Typical slide on pace-cme.org
Bitmap images are like chessboards, where the pixels are squares
Bitmap images are like chessboards, where the pixels are squares
Inspecting quality: left original, right pngquant
Inspecting quality: left original, right pngquant
Average web page weight, divided by asset type (HttpArchive, September 2018)
Average web page weight, divided by asset type (HttpArchive, September 2018)
Test image, containing solid colours, photographic and textual content
Test image, containing solid colours, photographic and textual content

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