Can I make a site active without my knowledge?

Question

Google Sheets

There is a google spreadsheet. When you shut down a site, everything on the site stops.
Is it possible to make the table work after the exit or when the site is down.

{The reason for the long loading of formulas. Yes, I know what needs to be deleted, divided, and so on. But these are not my options. }

Answer 1

What's the problem? The data will not be updated until it is needed. And when needed, they will be updated.
And in order not to slow down - optimize the table:

• read frequently used values ​​in a separate place
  
• remove unused columns and rows
  
• if some data is not needed often, but it is considered for a long time - turn off the sheet or range with a checkmark
  =ЕСЛИ(A2;"";ваша_формула)
  , where A2 - checkbox " Read this sheet "
  
• tame conditional formatting and other "whistles", maybe it's not so important
  
• etc.