I tried it and received a report showing me some outdated links. They also offer to analyze an entire Web site for a fee. They attract me by means of a free service, and when I've tried that with success, I'm more ready to pay for an extension of that service. Web Week reported that since last July, people have downloaded 118 gigabytes of free software from Sun Microsystems' site. Sun gives away Java, but gains customer confidence and goodwill.
Nothing is free, especially confidence.
It must be earned. When you do this, you build confidence. When people receive helpful ideas from you over a period of time, they can't help but trust you. Security Next, you need to help people feel safe in your Web site. You gain something, but you'll turn many away.