There is a need to have a clear know-how about a content management system. Hiring agencies is a must for your website design, but if your designer suggests a HTML static website, you have to get back a decade. Having a responsive design is a must.
In case, a website agency suggests an individual mobile website to ensure responsiveness, it is time you move away from them. There may be some cases offering the advantage of a mobile site, but your focus must be a responsive design. With the increase in tablet and mobile usage growth, there is a need to ascertain optimized business with each device.