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.