On Mon, 2019-06-17 at 18:01 +0100, Peter Presland wrote:
"The page loads and displays briefly but then goes blank"
https://www.mediawiki.org/wiki/Manual:Errors_and_symptoms#You_see_a_Blank_Pa...
Maybe also inspect CSS via the web browser's Developer Tools.
Offtopic: wikispooks.org is running an old unsupported insecure MW version, so there are bigger problems to solve than blank pages. https://www.mediawiki.org/wiki/Manual:Upgrading
andre