Most of the website design mistakes people talk about are the obvious ones. Slow load times, a site that's impossible to use on a phone, a contact form that doesn't send anywhere. We covered the obvious five here, and if any of those sound familiar, start there.
But here's what I've noticed after working on hundreds of small business websites: the sites I get called about aren't usually broken. They load fine. They look decent. Nothing is on fire. They're just not producing calls or inquiries, and the owner can't figure out why.
