We can check any public website speed score very easily using Google PageSpeed Insights, GTmetrix, Pingdom tools, etc
However, these tools cannot give you an exact score of a webpage guarded behind a login page. because they don’t have the username and password to access the website.
They can give you a score for the login page only, no other pages including the Homepage.
In this video, we will see how you can get a speed score for any webpage that requires a username/password especially membership or online classes websites using Google Chrome DevTools – Lighthouse.