This category contains a list of all stubs that have not been edited in over 7 days. As per Wikivoyage:Deletion policy, these may be deleted if they have no substantiative or salvageable content.
This website uses the Wikivoyage API to get and display all the information you see. This is the MediaWiki API, which is a general API for accessing data from Wikimedia projects. You can find information about it here: MediaWiki API.