Responsive web designs are necessary if a company or an individual wants their site to be navigable by the users of smartphones and other kinds of mobile devices. Choosing an experienced responsive web design firm to take on such a project is an important decision that must be well-planned and thoughtful. A top performer in responsive web design services in the USA is Lounge Lizard. The programmers who work at Lounge Lizard stay on top of operating system changes and the newest devices to come to the marketplace. This allows them to build sites that work for every customer. The sites made by Lounge Lizard are highly accessible. Not only do they work well on smart watches, tablets and smartphones, but they also perform well for people who use assistive devices for their internet access. Lounge Lizard offers ongoing support for its sites and can make any changes as needed.