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<script>
/**
* Original script is created by Lunametrics
* https://www.lunametrics.com/labs/recipes/utmz-cookie-replicator-for-gtm/
* Modified by Analytics Mania https://www.analyticsmania.com/
*
* Data is stored in the __initialTrafficSource cookie in the following format; brackets
* indicate optional data and are aexcluded from the stored string:
*
* utmcsr=SOURCE|utmcmd=MEDIUM[|utmccn=CAMPAIGN][|utmcct=CONTENT]
* [|utmctr=TERM/KEYWORD]
*
* e.g.:
* utmcsr=example.com|utmcmd=affl-link|utmccn=foo|utmcct=bar|utmctr=biz
*/
(function(document) {
var referrer = document.referrer;
var gaReferral = {
'utmcsr': '(direct)',
'utmcmd': '(none)',
'utmccn': '(not set)'
};
var thisHostname = document.location.hostname;
var thisDomain = getDomain_(thisHostname);
var referringDomain = getDomain_(document.referrer);
var sessionCookie = getCookie_('__utmzzses');
var cookieExpiration = new Date(+new Date() + 1000 * 60 * 60 * 24 * 30 * 24);
var qs = document.location.search.replace('?', '');
var hash = document.location.hash.replace('#', '');
var gaParams = parseGoogleParams(qs + '#' + hash);
var referringInfo = parseGaReferrer(referrer);
var storedVals = getCookie_('__utmz') || getCookie_('__utmzz');
var newCookieVals = [];
var keyMap = {
'utm_source': 'utmcsr',
'utm_medium': 'utmcmd',
'utm_campaign': 'utmccn',
'utm_content': 'utmcct',
'utm_term': 'utmctr',
'gclid': 'utmgclid',
'dclid': 'utmdclid'
};
var keyFilter = ['utmcsr', 'utmcmd', 'utmccn', 'utmcct', 'utmctr'];
var keyName,
values,
_val,
_key,
raw,
key,
len,
i;
if (sessionCookie && referringDomain === thisDomain) {
gaParams = null;
referringInfo = null;
}
if (gaParams && (gaParams.utm_source || gaParams.gclid || gaParams.dclid)) {
for (key in gaParams) {
if (typeof gaParams[key] !== 'undefined') {
keyName = keyMap[key];
gaReferral[keyName] = gaParams[key];
}
}
if (gaParams.gclid || gaParams.dclid) {
gaReferral.utmcsr = 'google';
gaReferral.utmcmd = gaReferral.utmgclid ? 'cpc' : 'cpm';
}
} else if (referringInfo) {
gaReferral.utmcsr = referringInfo.source;
gaReferral.utmcmd = referringInfo.medium;
if (referringInfo.term) gaReferral.utmctr = referringInfo.term;
} else if (storedVals) {
values = {};
raw = storedVals.split('|');
len = raw.length;
for (i = 0; i < len; i++) {
_val = raw[i].split('=');
_key = _val[0].split('.').pop();
values[_key] = _val[1];
}
gaReferral = values;
}
for (key in gaReferral) {
if (typeof gaReferral[key] !== 'undefined' && keyFilter.indexOf(key) >-1) {
newCookieVals.push(key + '=' + gaReferral[key]);
}
}
if (!getCookie_('initialTrafficSource')) {
writeCookie_('initialTrafficSource', newCookieVals.join('|'), cookieExpiration, '/', thisDomain);
}
writeCookie_('__utmzzses', 1, null, '/', thisDomain);
function parseGoogleParams(str) {
var campaignParams = ['source', 'medium', 'campaign', 'term', 'content'];
var regex = new RegExp('(utm_(' + campaignParams.join('|') + ')|(d|g)clid)=.*?([^&#]*|$)', 'gi');
var gaParams = str.match(regex);
var paramsObj,
vals,
len,
i;
if (gaParams) {
paramsObj = {};
len = gaParams.length;
for (i = 0; i < len; i++) {
vals = gaParams[i].split('=');
if (vals) {
paramsObj[vals[0]] = vals[1];
}
}
}
return paramsObj;
}
function parseGaReferrer(referrer) {
if (!referrer) return;
var searchEngines = {
'daum.net': {
'p': 'q',
'n': 'daum'
},
'eniro.se': {
'p': 'search_word',
'n': 'eniro '
},
'naver.com': {
'p': 'query',
'n': 'naver '
},
'yahoo.com': {
'p': 'p',
'n': 'yahoo'
},
'msn.com': {
'p': 'q',
'n': 'msn'
},
'bing.com': {
'p': 'q',
'n': 'live'
},
'aol.com': {
'p': 'q',
'n': 'aol'
},
'lycos.com': {
'p': 'q',
'n': 'lycos'
},
'ask.com': {
'p': 'q',
'n': 'ask'
},
'altavista.com': {
'p': 'q',
'n': 'altavista'
},
'search.netscape.com': {
'p': 'query',
'n': 'netscape'
},
'cnn.com': {
'p': 'query',
'n': 'cnn'
},
'about.com': {
'p': 'terms',
'n': 'about'
},
'mamma.com': {
'p': 'query',
'n': 'mama'
},
'alltheweb.com': {
'p': 'q',
'n': 'alltheweb'
},
'voila.fr': {
'p': 'rdata',
'n': 'voila'
},
'search.virgilio.it': {
'p': 'qs',
'n': 'virgilio'
},
'baidu.com': {
'p': 'wd',
'n': 'baidu'
},
'alice.com': {
'p': 'qs',
'n': 'alice'
},
'yandex.com': {
'p': 'text',
'n': 'yandex'
},
'najdi.org.mk': {
'p': 'q',
'n': 'najdi'
},
'seznam.cz': {
'p': 'q',
'n': 'seznam'
},
'search.com': {
'p': 'q',
'n': 'search'
},
'wp.pl': {
'p': 'szukaj ',
'n': 'wirtulana polska'
},
'online.onetcenter.org': {
'p': 'qt',
'n': 'o*net'
},
'szukacz.pl': {
'p': 'q',
'n': 'szukacz'
},
'yam.com': {
'p': 'k',
'n': 'yam'
},
'pchome.com': {
'p': 'q',
'n': 'pchome'
},
'kvasir.no': {
'p': 'q',
'n': 'kvasir'
},
'sesam.no': {
'p': 'q',
'n': 'sesam'
},
'ozu.es': {
'p': 'q',
'n': 'ozu '
},
'terra.com': {
'p': 'query',
'n': 'terra'
},
'mynet.com': {
'p': 'q',
'n': 'mynet'
},
'ekolay.net': {
'p': 'q',
'n': 'ekolay'
},
'rambler.ru': {
'p': 'words',
'n': 'rambler'
},
'google': {
'p': 'q',
'n': 'google'
}
};
var a = document.createElement('a');
var values = {};
var searchEngine,
termRegex,
term;
a.href = referrer;
// Shim for the billion google search engines
if (a.hostname.indexOf('google') > -1) {
referringDomain = 'google';
}
if (searchEngines[referringDomain]) {
searchEngine = searchEngines[referringDomain];
termRegex = new RegExp(searchEngine.p + '=.*?([^&#]*|$)', 'gi');
term = a.search.match(termRegex);
values.source = searchEngine.n;
values.medium = 'organic';
values.term = (term ? term[0].split('=')[1] : '') || '(not provided)';
} else if (referringDomain !== thisDomain) {
values.source = a.hostname;
values.medium = 'referral';
}
return values;
}
function writeCookie_(name, value, expiration, path, domain) {
var str = name + '=' + value + ';';
if (expiration) str += 'Expires=' + expiration.toGMTString() + ';';
if (path) str += 'Path=' + path + ';';
if (domain) str += 'Domain=' + domain + ';';
document.cookie = str;
}
function getCookie_(name) {
var cookies = '; ' + document.cookie
var cvals = cookies.split('; ' + name + '=');
if (cvals.length > 1) return cvals.pop().split(';')[0];
}
function getDomain_(url) {
if (!url) return;
var a = document.createElement('a');
a.href = url;
try {
return a.hostname.match(/[^.]*\.[^.]{2,3}(?:\.[^.]{2,3})?$/)[0];
} catch(squelch) {}
}
})(document);
</script>
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