Try tools like feedback, A/B testing, etc. Good to get direct feedback from customer than someone just visiting your website for sake for viewing. If your message it to increase traffic, and alexa ranking, good luck then. I contributed one visit
It needs to have public comment section that people can talk on without having to sign up first. Otherwise it's fairly well put together.
Not bad! I would have the buy button a bit bigger and the home page a bit less overcrowded, but overall good.