public function getBackLinkFromUrlAndKeyword($url, $keyword)
    {
        if ($keyword === API::LABEL_KEYWORD_NOT_DEFINED) {
            return 'https://matomo.org/faq/general/#faq_144';
        }
        $keyword = urlencode($keyword);
        $keyword = str_replace(urlencode('+'), urlencode(' '), $keyword);
        $host    = substr($url, strpos($url, '//') + 2);
        $definition = $this->getDefinitionByHost($host);
        if (empty($definition['backlink'])) {
            return false;
        }
        $path = str_replace("{k}", $keyword, $definition['backlink']);
        return $url . (substr($url, -1) != '/' ? '/' : '') . $path;
    }