I suppose that we should do something with a sitemap.
I use for now the free version of osmap component. But I don’t see any JEM events, nor Virtuemart products in it’s listing…
(That means that Google collects JEM events by it’s own now...)
I think that we should use a sitemap that gathers all the links, JEM + Virtuemart included.
Archived events should be ignored...
And we’d need Google to index the site every day… But how?
Quite some time ago I had a look at this issue, because the old (past) events where higher ranked at google than the new upcoming ones.
As far as I remember there is the problem, that the display of archived events is generated by the same template as active events and that there is not difference in the output code, so google cannot tell if it is past or upcoming.
The archived events should be marked as such like e.g. to change robots meta tag into