Depending on what code you used - the most used are html and php - upload them to your server with the extension. For example, search-charlotte-homes.html or dot php. elite-difference.html or dot php.
I believe you are trying to use the directory names for the URLs without a file name? If this is the case then you need to have the main page for this directory named one of the following: index.html, index.htm, index.php (if available) There are others that can be used but these are the most common. so mysite.com/ilovegoogle/ is the same as mysite.com/ilovegoogle/index.html
First and foremost always try and validate your site with the w3 html and css validator. HTML & CSS Validator