jekyll-image_optimizer
By nidi3
A Jekyll plugin to optimize images for the web. It reads all the images in a source directory and saves optimized versions of them to a destination directory and creates a symbolic link to the destination directory
To install, add this to your Gemfile:
gem "jekyll-image_optimizer"
and run bundle install. To use, run Jekyll with
bundle exec preceding it:
$ bundle exec jekyll build
$ bundle exec jekyll serve