Pretty is not enough to keep your users happy. You have to think about their experience in your site.
Have you ever been hating a website because you can’t find what you want? or you can’t do what you want to do in an easy and fast way? well, these evidence of a bad usability on a website. At the end, each visitor goes to your site with a purpose, and no matter how pretty it is, or how good quality your content is, if he can’t find or do what he wants, guess what, just jumps to another of the hundreds of results Google has for him.
That’s why is important to know how you can test the usability of your website, and the first step to do this is knowing what are the key points to evaluate in your site, so here they are:
If you want to get more details about this, go to Elegant Themes blog.