From March 18th, 2017 to May 18th, 2022, 67% user give 5-star rating, 33% user give 1-star rating. for ViewportDimension chrome extension.
It does what it says on the tin! It's an unpretentious app that does one simple (but helpful) thing, and works just fine for me in Brave in 2022.
Despite being several years old still does what it says. I find it of most value.
Doesn't work. Waste of time!