= title @user.name

%h2 Radars

%ul
- @user.radars.each do |radar|
  %li
    =link_to radar.name, radar
    (#{pluralize(radar.blips.count, 'blip')})

= title @user.email

%h2 Radars

%ul
- @user.radars.each do |radar|
  %li
    =link_to radar.name, radar
    (#{pluralize(radar.blips.count, 'blip')})

Use email in page title since name may be nil
Use email in page title since name may be nil