It used to be possible to see the date when a user joined EasyEDA by clicking on their username which took you to their EasyEDA home page.
Since the last server update, clicking on a username now takes you to 
their home page on OSHWLab which has no information on when they joined EasyEDA
            
                        
            
                                    
              
                Firefox
                  100.0
                Linux
                  
                                EasyEDA
                  6.5.3