Searched for https://accounts.google.com/SignUp?continue=https%3A%2F%2Fplus.google.com%2F100805478151614737104%3Fprsrc%3D3 
Note: This calendar view maps the number of captures of https://accounts.google.com/SignUp?continue=https%3A%2F%2Fplus.google.com%2F100805478151614737104%3Fprsrc%3D3, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.