You are right, the links are currently not functional from mobile devices. Try accessing the page in desktop mode, then they will work.

Currently opening them on a desktop device with the same error :(

https://community.fandom.com/wiki/Admin_Plus/Technical_Foundations

https://community.fandom.com/wiki/Admin_Plus/Content_Development

https://community.fandom.com/wiki/Admin_Plus/Community_Building

In desktop mode it should look like this:

That doesn't load for me on any browsers, and clicking the typeform link does not direct anywhere except typeform's home page.

I think you might be misunderstanding my issue a bit: the typeform website (linked at 'On a phone?') does not work properly. Instead of redirecting me to an actual form, it redirects me to a homepage on the site.