app/views/articles/tagged.html.erb
<% content_for :list_title do %>
<%= tc("list_title_by_tag", :tag => params[:tag]) %>
<% end %>
<% content_for :list_title_addition do %>
<%= render partial: "tags/follow", locals: {tag: @tag} %>
<% end %>
<% content_for :back_link do %>
<p><%= link_to tc("to_list"), articles_path %></p>
<% end %>
<%= render "article_list", articles: @articles %>