Add NOINDEX, FOLLOW to site profiles

Search engines are ranking profiles above the actual site, so we're
going to tell search engines not to index them.

app/site.rb

@@ -30,6 +30,8 @@ get '/site/:username/?' do |username|
   @pagination_dataset = events_dataset
   @latest_events = events_dataset.all
 
+  meta_robots 'noindex, follow'
+
   erb :'site', locals: {site: site, is_current_site: site == current_site}
 end
 

app_helpers.rb

@@ -58,6 +58,15 @@ def enforce_ban
   redirect '/'
 end
 
+def meta_robots(newtag=nil)
+  if newtag
+    @_meta_robots = newtag
+  end
+
+  @_meta_robots
+  tag = newtag || @_meta_robots
+end
+
 def title
   out = "Neocities"
   return out                  if request.path == '/'

views/layout.erb

@@ -15,6 +15,10 @@
     <meta property="og:url"         content="https://www.neocities.org">
     <meta property="og:description" content="Neocities is the new Geocities. Create your own free home page, and do whatever you want with it.">
 
+    <% if meta_robots %>
+      <meta name="robots" content="<%= meta_robots %>">
+    <% end %>
+
     <link href="/css/neo.css" rel="stylesheet" type="text/css" media="all">
 
     <link href="/favicon.ico?v=4" rel="shortcut icon" type="image/ico">