Overview Compile less in debug mode in the browser for development. This enables your integrator to work faster and to view syntax errors reports in the browser and make development awesome. Use django-compressor for production to pre-compile all your less into css and make performance awesome. Be able to reuse in your less scripts: bootstrap classes, variables, etc, etc … else what is less good for ? The problem is that you must get your compiler to compile both bootstrap and your own less scripts in the same run.