Below online website can be used to view HAR file. My favorites are: https://toolbox.googleapps.com/apps/har_analyzer/ http://www.softwareishard.com/har/viewer/ https://ericduran.github.io/chromeHAR/ https://onlinecurl.com/har-diff HAR file can be downloaded from Google Chrome developer tools. This is used to see which request has taken more time. It basically gives the waterfall chart of each request, response code and time taken. We can use this to see SAS Web Application performance.
Blog about SAS® platform administration and working with SAS metadata.