22. Building process - Algorithm
1. Compiling LESS into CSS
2. Minify CSS
3. Inline CSS
4. Minify HTML
23. Grunt JS Plugins
grunt-contrib-less - Compile LESS files to CSS.
grunt-contrib-cssmin - Compress CSS files.
grunt-contrib-htmlmin - Minify HTML
grunt-email-builder - Combine Html and Css into an email