The simpler media website CMS
I have noticed that the Menu Manager extension is briefly displaying/flashing a vertical menu when refreshing or loading a new page. This behavior is observable here: https://www.loweprofile.com/gallery/ very obvious as it occurs at a slower rate. And here on a fresh install with zero code modifications: https://www.loweprofile.com/memorybook/
It seems to me that the 'vertical" menu used for mobile is briefly displaying. I am using the 'forked' iteration of zpBootstrap. This occurs on Chrome, Edge/PC or Safari/Mac OS.
Any help appreciated. Let me know if more info is neeeded.
Comments
This is a theme issue respectivly the bootstrap framework it uses as the menu manager plugin does not provide any styling at all.
The plugin is not actively supported by its developer. We do have a fork but we primarily fix actual ZP related incompatibilities.