anchor.diff:        Cache hit rate above 99%
       <% else %>
         Low cache hit rate
  +    <% end %>
  +  </div>
  +  <div class="alert alert-<%= @query_stats_enabled && @slow_queries.empty? ? "success" : "warning" %>">
  +    <% if !@query_stats_enabled %>
  +      Query stats must be enabled for slow queries
  +    <% elsif @slow_queries.any? %>
  +      <%= pluralize(@slow_queries.size, "slow query") %>
  +    <% else %>
  +      No slow queries
       <% end %>
     </div>
     <div class="alert alert-<%= @missing_indexes.empty? ? "success" : "warning" %>">
  
positive.code:     <% end %>
    </div>
  </div>
  
  <% if !@query_stats_enabled %>
    <div class="content">
  
negative.code:     <%= render partial: "query_stats_table", locals: {queries: @slow_queries} %>
    </div>
  <% end %>
  
  <% if @missing_indexes.any? %>
    <div class="content">
  