$pslManager = new PublicSuffixListManager();
        $parser = new Parser($pslManager->getList());
        $pattern = "/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i";
        $debug = true;
        if ($debug) {
            echo "<pre>";
        }
        foreach($js_scripts as $js_script){
            $url = $js_script->src;
            $tmpSubdomain = NULL;
            $scriptId = "";
            $domainFoundFlag = false;
            if(!preg_match($pattern,$url)) // if url is valid
            {
                if ($debug) {
                    echo "Invalid URL ====  {$url}    ===================================</br>";
                }
                continue;
            }
            //remove query string trom url
            $dbPattern = preg_replace('/\?.*/', '', $url);
            //extract domain from url
            $domain = _getDomainFromURL($url);
            $urlNew = new \Purl\Url($domain);
            $isIpAddress = filter_var($domain, FILTER_VALIDATE_IP);
            $mainDomain = $parser->getRegisterableDomain($urlNew);
            $tmpSubdomain = $parser->getSubdomain($urlNew);
            $mainDomain=_getDomainFromURL($mainDomain);
            $tmpSubdomain=_getDomainFromURL($tmpSubdomain);
            $subDomain = (!empty($tmpSubdomain)) ? $tmpSubdomain . "." . $mainDomain : NULL;