Although more and more websites are viewed on portable devices, 99% percent of them were not designed to navigate in the palm of your hand. If you think your site currently works on smartphones, look again.
Large businesses who can afford to, now create a second small screen version.
Siteditor does so automatically & cost free, reformating your content to a smaller, and simpler one finger navigation format, and making it viewable on ALL platforms.
Many site builders make such claims, but don't deliver, like Google's Web Designer.