[ Jpegoptim::class => [ '--strip-all', // this strips out all text information such as comments and EXIF data '--all-progressive', // this will make sure the resulting image is a progressive one '-m85' ], Pngquant::class => [ '--force' // required parameter for this package ], Optipng::class => [ '-i0', // this will result in a non-interlaced, progressive scanned image '-o2', // this set the optimization level to two (multiple IDAT compression trials) '-quiet' // required parameter for this package ], Svgo::class => [ '--disable=cleanupIDs' // disabling because it is know to cause troubles ], Gifsicle::class => [ '-b', // required parameter for this package '-O3' // this produces the slowest but best results ], ], /** * The maximum time in seconds each optimizer is allowed to run separately. */ 'timeout' => 60, /** * If set to `true` all output of the optimizer binaries will be appended to the default log. * You can also set this to a class that implements `Psr\Log\LoggerInterface`. */ 'log_optimizer_activity' => false, ];