public function getPageMetas()
    {
        if (!$this->parser) {
            return;
        }

        $nodes = $this->parser->find('meta');

        $metas = array();

        foreach ($nodes as $node) {
            if ($node->hasAttribute('name')) {
                $metas[ $node->getAttribute('name') ] = $node->getAttribute('content');
            } elseif ($node->hasAttribute('property')) {
                $metas[ $node->getAttribute('property') ] = $node->getAttribute('content');
            }
        }

        return $metas;
    }