I’ve seen a project that didn’t take mobile into consideration at its inception, and about 80% through the design process the client asked “How will this work on an iPad?” And everybody freaked out. Schedules got rearranged. Budgets increased. And ultimately a desktop-only design was shoehorned onto mobile devices.
The moral of the story is that right out of the gate it’s much better to account for today’s plethora of devices, and also acknowledge the unpredictability of the future.An excerpt from how much does a responsive web design cost?