TL;DR - 30-second summary
Most people believe their website is the first thing a customer sees. They are almost always wrong — and what they actually see first might be deciding for them whether they choose you or move on.
Most business owners believe their website is the first thing customers see online. In many cases, they are wrong.
Before someone clicks on your site, they've most likely already searched for you on Google, seen you on Google Maps, and read your reviews. Your Google Business Profile it's not a subdirectory: for a large portion of your potential clients, Is that your real homepage.