Note: Current blog-post is old. You can find latest/new blog post here:
If you are using a free hosting service like aspspider.com, then there is a lot of bad stuff will happen for you when you host your website!
The biggest problem I found when I hosted my website in a free hosting service was absolute URL problem.
var domainName = '@HttpContext.Current.Request.Url.Scheme://@HttpContext.Current.Request.Url.Authority';
url: domainName + '/Controller/Action',