Frontend\Modules\Tags\Actions\Index::parse PHP Method

    private function parse()
    {
        // make tags available
        $this->tpl->assign('tags', $this->tags);
        // tag-pages don't have any SEO-value, so don't index them
        $this->header->addMetaData(array('name' => 'robots', 'content' => 'noindex, follow'), true);
    }