Please check out my
vBulletin Google Site Map
Creates a site map for all threads, forums, members and archives together with pagination.
Creates a Google site map index file along with as many site map files as needed to complete the site map of a large forum.
Password protected access.
Customisable with configuration settings on the file.
Now also on vbulletin.org -
https://vborg.vbsupport.ru/showthread.php?t=91389