When uploading a Web site to a Web server, when can file references remain unchanged?

Maintaining the same directory structure when uploading a website to a web server is crucial for ensuring that file references remain unchanged. When the directory structure is consistent, the paths to files (like images, stylesheets, and scripts) do not need to be modified in the website's code, as the relative locations of these resources remain the same. This allows users to access assets without encountering broken links, resulting in a seamless user experience.

The other factors, while important for overall website functionality and performance, do not affect the references directly. Sufficient storage is important for hosting resources but does not influence the file paths themselves. Similarly, having the same domain name does not alter the physical arrangement of files on the server; it only impacts the address used to access them. Lastly, while using absolute links might seem like they could avoid path issues, they could change if the domain or directory structure varies, thereby complicating the situation rather than simplifying it.