There are several ways in which a user can delete their own site. All of them require legal access to directories and files on the page and discuss this issue with the hosting service.
Removing a website on a UNIX computer, if you are using that system. This is done using the Telnet service to access the top file directory. Enter the command "rm - r [directory]", where "directory" is the name of the main directory. This will remove all subdirectories of the website at once. If the main directory is still present, find out if a higher-level directory exists and remove all components already from it.
Use FTP applications such as WS_FTP to access website content. In this case, you will have to delete the files in the subdirectories first, and only then in the main directories. This method is more complicated, therefore, in the case of a cumbersome website, it can take quite a lot of time.
Delete the site using Adobe Dreamweaver by clicking on the Site tab, then Manage Sites. Highlight the website to be removed and click Remove. Confirm the action when prompted. Microsoft Expression can do the same.
Check with the web hosting service to see if they have their own file management system with which a user can delete web files directly. You may need to obtain the appropriate permission to delete the resource. Alternatively, you can simply stop paying for web hosting services and the company will remove your site on its own. Some of them also delete resources that are not updated for a long time.
Disable the site temporarily by changing the page name index.html, for example, to index.old, etc. Since most links start with index.html or index.htm, this should be enough to effectively block access to the site. It won't work, though, if the start page is structured differently.