Is your website live or off-line ?
When i was developing a site i thought that the site was live but is was offline. In my web-browser i can see was only the cookies or session entry. Using a tools that i just brown can help you see your site is visible or not. The problem of mozilla and google chrome is error in browsing the pages. Use this link to view your webdevelopment.
One problem cause is the dns has not completely done processing pointing to your hosting provider this will take around 3-5 days to complete point into your hosting.