How to create a google website online map

https://open.substack.com/pub/thereduslv/p/290?r=5xlaic&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

How to create a google web page map<br/>A short search on Google for counsel on creating a domain map at the beginning threw up many hyperlinks to application one can purchase or download for free of charge to create a site map