Getting the new help pages into search results

Hello everyone,

We talked a bit about this topic before, but didn't have a solution (if
I remember correctly), so let's revisit it. Many Google searches lead to
the old help pages -- for instance, I just searched for:

"libreoffice horizontal line three dashes"

The first result is our help, but the older page:

https://help.libreoffice.org/Writer/Inserting_a_Horizontal_Line

Also on the Google results page, it doesn't show a preview of the
content; only "No information is available for this page."

Is there any way we can promote the new (and much more attractive) help
system instead? eg https://helponline.libreoffice.org

I'm not sure if page redirects will help, from the older version...

Is it possible to change the SEO within the help system itself, like you
can with Madcap Flare and Adobe RoboHelp?

Kind regards

Claire