A website design should look only on cell phones, tablets and desktop PCs. The website should look like a desktop PC, iPad, HTC smartphone or a Galaxy tablet. The presence of all these devices should be as much as the design features. A good web experience will be maintained by visitors and existing customers.
It is important to identify a device used to access your website with other information such as platforms, browsers, screen resolutions etc. This information always helps to optimize content like the web experience, is uninterrupted and similar, programs like Google Analytics can be used for such purposes. Such programs help determine whether the device is a smartphone or a desktop PC or an iPad.