Is your website out of service a few times a year? Do you have difficulties updating and backing it up? Can you even find it in search engines? How does it look on different social media? In general, a business website is a website that shows who you and your business are, it is not a blog or several linked pages that breaks and can not be found!
If you do not have a website or your website gets down often, then certainly you do not have a foot in digital world: