javascript BlueKai CoreTag - 付费与自然搜索

Posted 2021-05-03

// FUNCTION : Search Checker
window._bk = window._bk || {};
window._bk.functions = window._bk.functions || {};
window._bk.functions.searchChecker = function() {

	// Check paid
	var paid = false;
	if (document.location.href.indexOf('gclid=') > -1) {
		paid = true;
	}

	// Check search engine
	var search_engine_flag = false;
	var search_type = "none";
	var search_engine = "none";
	if (document.referrer.indexOf('.google.') > -1) {
		search_engine_flag = true;
		search_engine = "google";
	}
	if (document.referrer.indexOf('.bing.') > -1) {
		search_engine_flag = true;
		search_engine = "bing";
	}
	if (document.referrer.indexOf('.yahoo.') > -1) {
		search_engine_flag = true;
		search_engine = "yahoo";
	}

	if (search_engine_flag && paid) {
		search_type = "paid search"
	};
	if (search_engine_flag && !paid) {
		search_type = "natural search"
	};
	return {
		search_type: search_type,
		paid: paid,
		search_engine: search_engine,
		search_engine_flag: search_engine_flag
	}

}

// Paid & Search Checker
bk_addPageCtx("search_type", window._bk.functions.searchChecker().search_type);
bk_addPageCtx("search_engine", window._bk.functions.searchChecker().search_engine);
bk_addPageCtx("paid", window._bk.functions.searchChecker().paid);