Tweet Wro4j is a tool for analysis and optimization of web resources. It brings together almost all the modern web tools: JsHint, CssLint, JsMin, Google Closure compressor, YUI Compressor, UglifyJs, Dojo Shrinksafe, Css Variables Support, JSON Compression, Less, Sass, CoffeeScript and much more. In order to get started with wro4j, you have to follow only 3 simple steps. Step 1: Add WroFilter to we