Occasionally, Google changes the path structure for account settings. While this URL has been standard for Local Guides contributions, Google sometimes redirects these functions to the Google Maps "Your Contributions" section ( google.com/maps/contrib ). If the link yields a 404 error or redirect, it is due to Google consolidating its contribution interfaces.
This is where the authuser parameter comes in. It specifies which Google account to use by its : https wwwgooglecom search contributions profile authuser 0
A properly formatted Google contributions profile URL typically contains parameters that authenticate the user and specify the view. The fragment authuser=0 indicates the default account signed into the browser (where 0 represents the first account). The terms contributions and profile suggest a page listing every public action a user has taken: business reviews, uploaded photos, answered questions, added missing places, or corrected map data. In essence, this is a —a record of how an individual has helped refine the world’s most used digital map. Occasionally, Google changes the path structure for account