about

optimize is a wrapper around various file size optimization tools. It currently losslessly optimizes these mime types:

• application/javascript
• application/x-virtualbox-vdi
• image/gif
• image/jpeg
• image/png
• image/x-apple-ios-png
• text/css
• text/html

requirements

optimize relies on these tools (depending on the mime types you like to optimize): gifsicle, jpegoptim, optipng, VBoxManage, yui-compressor

install requirements on Ubuntu Linux

If you like to optimize images:

    sudo apt-get install gifsicle jpegoptim optipng

If you like to optimize CSS and JavaScript:

    sudo apt-get install yui-compressor

If you like to optimize Virtual Disk Images (VDI):

    sudo apt-get install virtualbox