Seo Tags in Rails

application_controller.rb

class ApplicationController < ActionController::Base
  helper_method :meta_title, :meta_description
  
  private
  attr_reader :meta_title, :meta_description

  def set_meta_title(title)
    @meta_title = title
  end

  def set_meta_description(description)
    @meta_description = description
  end
end

some_controller.rb

class SomeController < ApplicationController
  def index
    set_meta_title       'Look at me!'
    set_meta_description 'Something longer here...'
  end
end

your_layout.html.haml

!!!
%html
  %head
    %meta{:content => meta_description}
    %title= meta_title || "Default Title"

  %body
    = yield