*
	 * @return  void
	 *
	 * @since   3.5
	 */
	public function onAfterDispatch()
	{
		$doc = $this->app->getDocument();
 
		if (!$this->app->isSite() || $doc->getType() !== 'html')
		{
			return;
		}
 
		$sefDomain = $this->params->get('domain', '');
 
		// Don't add a canonical html tag if no alternative domain has added in SEF plugin domain field.
		if (empty($sefDomain))
		{
			return;