From May 12th, 2017 to August 2nd, 2021, 67% user give 5-star rating, 33% user give 2-star rating. for Let Live chrome extension.
It doesn't seem to be working on Microsoft Admin portals like Azure, M365 Admin Center, Exchange and etc...
It's not perfect for every situation, but it sure has helped me stay logged in to my SharePoint, OneDrive, and other Office.com pages!
Awesome and really useful!