Force.com Sites in Salesforce cannot be deleted once they have been created. This explains the options available for managing a Force.com Site that is no longer needed, including deactivation and reuse for a new purpose.
Note: The archiving feature is only available for Experience Cloud Sites — deactivation is the only option for Force.com Sites.
Force.com Sites cannot be deleted once they are created.
Option 1: Deactivate the Force.com Site
Deactivating a Force.com Site takes it offline without deleting it. The site and its pages remain intact.
Option 2: Re-use the Deactivated Site
You can re-use a deactivated site to house new Force.com Site pages for a different purpose.
Option 3: Change the Domain Name
If you need a different domain name, contact Salesforce Support with your request.
Note: The archiving feature is only available for Experience Sites. Deactivation is currently the only option for Force.com Sites.
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