If you can't, they may start to wonder about what your committment is to the site, and to them. Don't just whisper about it. Tell your current clients about your webpage. Print it on your business cards, your letterhead, your advertising. All these things could be sporting your online address.
Surfers are smart.
Don't underestimate the intellect of the average web surfer. Most are college educated, and internet savy. Keep on top of what is considered common knowledge and what isn't online. Design your site. Blue text on black is hard to read.