function MetaTags(&$tags)
{
$config = SiteConfig::current_site_config();
// Ensure a canonical link is placed, for semantic correctness and SEO
if (Controller::has_curr() && Controller::curr()->hasMethod("onMobileDomain") && Controller::curr()->onMobileDomain() && $config->MobileSiteType == 'RedirectToDomain') {
$oldBaseURL = Director::baseURL();
Director::setbaseURL($config->FullSiteDomain);
$tags .= sprintf('<link rel="canonical" href="%s" />', $this->owner->AbsoluteLink()) . "\n";
Director::setbaseURL($oldBaseURL);
}
}