SEO

@foreach ($link as $node)
 @if(!$node->getAttribute('rel')=='stylesheet' && $node->nodeValue >! 0))
   <?php $showErrorMessage = 1; ?>
     @elseif($node->getAttribute('rel')=='stylesheet' && $node->nodeValue > 0)
       <?php $showErrorMessage = 0; ?>
         {{$node->getAttribute('href'), PHP_EOL}}
     @endif
  @endforeach

 @if($showErrorMessage == 1)
  <p class="red">Geen canonical url</p>
 @endif