Graceful degradation is the opposite to progressive enhancement because a pre-determined “perfect experience” is authored then broken down with support testing strategies instead. The problem with that approach is everything can and will go wrong in the browser, so support testing strategies will unlikely never be reached in a lot of cases, which results in a broken, unresponsive user interface.

The final deliverable of a web-based design is on the web, just like the final deliverable of a print design is print. Instead of handing off, designers and developers need to work in collaboration with each other in design implementation with a culture of flexibility.