Javascript detect bot crawler

	function botCheck(){
	var botPattern = "(googlebot\/\|Googlebot-Mobile\|Googlebot-Image\|Google favicon\|Mediapartners-Google\|bingbot\|slurp\|java\|wget\|curl\|Commons-HttpClient\|Python-urllib\|libwww\|httpunit\|nutch\|phpcrawl\|msnbot\|jyxobot\|FAST-WebCrawler\|FAST Enterprise Crawler\|biglotron\|teoma\|convera\|seekbot\|gigablast\|exabot\|ngbot\|ia_archiver\|GingerCrawler\|webmon \|httrack\|webcrawler\|grub.org\|UsineNouvelleCrawler\|antibot\|netresearchserver\|speedy\|fluffy\|bibnum.bnf\|findlink\|msrbot\|panscient\|yacybot\|AISearchBot\|IOI\|ips-agent\|tagoobot\|MJ12bot\|dotbot\|woriobot\|yanga\|buzzbot\|mlbot\|yandexbot\|purebot\|Linguee Bot\|Voyager\|CyberPatrol\|voilabot\|baiduspider\|citeseerxbot\|spbot\|twengabot\|postrank\|turnitinbot\|scribdbot\|page2rss\|sitebot\|linkdex\|Adidxbot\|blekkobot\|ezooms\|dotbot\|Mail.RU_Bot\|discobot\|heritrix\|findthatfile\|europarchive.org\|NerdByNature.Bot\|sistrix crawler\|ahrefsbot\|Aboundex\|domaincrawler\|wbsearchbot\|summify\|ccbot\|edisterbot\|seznambot\|ec2linkfinder\|gslfbot\|aihitbot\|intelium_bot\|facebookexternalhit\|yeti\|RetrevoPageAnalyzer\|lb-spider\|sogou\|lssbot\|careerbot\|wotbox\|wocbot\|ichiro\|DuckDuckBot\|lssrocketcrawler\|drupact\|webcompanycrawler\|acoonbot\|openindexspider\|gnam gnam spider\|web-archive-net.com.bot\|backlinkcrawler\|coccoc\|integromedb\|content crawler spider\|toplistbot\|seokicks-robot\|it2media-domain-crawler\|ip-web-crawler.com\|siteexplorer.info\|elisabot\|proximic\|changedetection\|blexbot\|arabot\|WeSEE:Search\|niki-bot\|CrystalSemanticsBot\|rogerbot\|360Spider\|psbot\|InterfaxScanBot\|Lipperhey SEO Service\|CC Metadata Scaper\|g00g1e.net\|GrapeshotCrawler\|urlappendbot\|brainobot\|fr-crawler\|binlar\|SimpleCrawler\|Livelapbot\|Twitterbot\|cXensebot\|smtbot\|bnf.fr_bot\|A6-Indexer\|ADmantX\|Facebot\|Twitterbot\|OrangeBot\|memorybot\|AdvBot\|MegaIndex\|SemanticScholarBot\|ltx71\|nerdybot\|xovibot\|BUbiNG\|Qwantify\|archive.org_bot\|Applebot\|TweetmemeBot\|crawler4j\|findxbot\|SemrushBot\|yoozBot\|lipperhey\|y!j-asr\|Domain Re-Animator Bot\|AddThis)";
	var re = new RegExp(botPattern, 'i');
	var userAgent = navigator.userAgent;
	if (re.test(userAgent)) {
	return true;
	}else{
	return false;
	}
	}

view raw CrawlerDetect.js hosted with ❤ by GitHub