Know When to Make a Separate Mobile Site
There is no one right answer when choosing a mobile web strategy. Think about your users’ goals, your business goals and your content. Determine how best to help your users achieve their goals in the context they are in with the content you have. Sometimes that means a separate mobile web experience.
There’s a good chance your decision to approach the mobile web is pre-determined based on the scope of the project, the capability/challenges of your infrastructure, project timeline and project budget.