You can capture user feedback from your website by embedding a Feedback Widget. Hotlink the JS and CSS files and add your token. Example:
You should check the JS file for more options.
The Feedback widget consists of a button which appears left on your page (or whatever position you specify in the CSS file). When you click on that button, a dialog appears allowing the user to type in their feedback. Their feedback can consist of a suggestion, a praise, a dislike, a question or a bug.