Certain tags can only be once and others can be used multiple times. If the wrong tag gets used more than once when it's not supposed to it can mess up the code. Small errors can effect the code in major ways like forgetting parenthesis or quotes. Both are essential elements that make the code work, so without them the code just wouldn't work properly.
To create websites,we use a process called the "ftp" process. It is also known as the file transfer protocol. We utilize the ftp process in order to transfer our files from our computer to the internet.