From May 22nd, 2014 to September 4th, 2019, 33% user give 5-star rating, 33% user give 4-star rating, 33% user give 2-star rating. for ViewState Snail chrome extension.
Spot on for what i need
Simply reads the size of the first __Viewstate hidden form field. If you are using viewstate chunking this is worthless.
Needed to refresh initially to get information to show, after that worked well. Requires access to full page which is guess is unavoidable.