Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
wikimedia.org Mobile Speed: 59/100
wikimedia.org Mobile Speed Test Quick Overview
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.