Image credit: Google

You can improve the performance of Google Sheets and speed up calculations.

Via Sourabh Choraria (@schoraria911) we picked up this tweet from
Michael Avrukin who is working on the Google Sheets help center documentation:

Hi there dedicated #sheets users, we are starting to work on our help center content – here is our first article in the new format. I’ll appreciate thoughts / feedback anyone has. #googlesheets https://t.co/1wJ5abJZiI @benlcollins

— Michael Avrukin (@mavrukin) February 4, 2022

The page includes a number of useful tips to speed up Google Sheet calculations and whilst not specifically Google Apps Script related provides useful information on some things you can look out for when your Google Sheet starts getting slow.

Source: Learn how to improve Sheets performance