How to create a google site map

https://gnome.gr/veltistopoiisi-istoselidas-simera-praktikos-odigos-perissoteri-tachytita/

How to create a google web page map<br/>A quick seek on Google for advice on creating a website map to start with threw up many hyperlinks to application that you would be able to purchase or download for free of charge to create a site map