Links work whether the site is in a subfolder or on a root domain.
If you are trying to view or run a portable SHTML file and it isn't working, check these common culprits: view indexframe shtml portable
Your web server must be configured to parse .shtml files. In Apache, this requires the mod_include module. Links work whether the site is in a
An index frame in a portable SHTML file is a specialized web design technique used to create lightweight, navigation-focused layouts that load efficiently on various devices. view indexframe shtml portable
Are you getting a ? (Like a 404 or blank includes?) Is this for a legacy site or a new project ?