• HTML for faster development using: gulp Which includes:

• browser sync (live reloading)
• gulp (build task)
• gulp-file-include (include HTML inside HTML)

• Versioning CSS file for cache issue when deploy to production using:
  gulp build Which includes:

• gulp-rev ( Revision your assets and create an asset manifest )
• gulp-rev-rewrite (Collect the revisioned paths from the manifest and rewrite references to them)