Entire site apearing blank on preview

All items disapear completely upon switching to preview mode.
Does anyone know what it might be?
Thank you!

https://wix.to/NkCzBr8

Hi Bairava,
This might be due to Wix making updates or just your internet is slow. Anyway, this forum is for Wix code related content only. This has nothing to do with Wix code. Please contact customer care as they can help you solve your problem:

Arthur

thank you, sorry my mistake