public function ping()
{
$site_title = $this->app->config->site->title;
$site_uri = $this->getSiteUri();
$post_uri = $this->getPostUri();
$atom_uri = $this->getAtomUri();
$post_tags = $this->getPostTags();
$this->client->extendedPing($site_title, $site_uri, $post_uri, $atom_uri, $post_tags);
}
