Jpegoptim is a Linux software that does what the name suggests: is does optimize jpg images. It is one of the two recommended software for Google Pagespeed optimization.
As this software doesn’t have a recursion parameter, we use a trick to parse all the subdirectories where we have jpeg images to be optimized.
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The command uses find:
find -type f -name "*.jpg" -exec jpegoptim --strip-all {} ;
Now be patient and wait until it does the job. You will probably be surprised how much it can reduce the size of some images (up to 40% for some thumbnails!).
Read about how to optimize PNG and GIF files with OptiPNG.
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If you know a better aproach into using this cool software, please leave a comment below.
