Or are they taking one look and moving on? Recent research found that visitors make up their minds about the quality of a website in a twentieth of a second of viewing.
"The judgements were being formed almost as quickly as the eye can take in information."
http://news.bbc.co.uk/1/hi/technology/4616700.stm
I recently spoke to a lawyer whose firm has only had a website for a few months. He was surprised by the number of new clients who'd read his website before contacting him. The clients were looking for a lawyer based near where they lived. Their review of local firms’ websites led them to email or call him rather than his competitors. Does your website hold people's attention for long enough to get the same results?