Signing up for a website is a big commitment for most people. Users that sign up for your website are giving their personal information and trust to you. If you misuse their personal information or violate their trust, you can upset your users. Most users today are more wary than ever about who handles their personal information. In a cyber world full of hackers and spammers, who can blame them? If you aren’t seeing many sign ups, your form is raising a red flag for users. Here are eight reasons users don’t fill out sign up forms.

Neat idea of hosting images of your site, and asking random people questions on where they'd click. The results are collected, and you can see how close you are to the right pattern.

Good Collection of UI subtleties.