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Is it possible to get the following information about the current visitor using Google Analytics API with JavaScript?

  • Referrer site ('Source' in GA)
  • Paid or natural ('Medium' in GA)
  • Keyword
  • First time/returning
  • Number of visits

If it's not possible with Google Analytics API is there any other easy way to do it (apart from parsing HTTP Referer, storing the visits statistics in DB etc.)?

Evgenii
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    "Current visitor", as in, to the visitor within the browser? All of that information is stored in the Google Analytics cookies. – Yahel Apr 12 '11 at 15:41

3 Answers3

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If you're still using ga.js (the legacy version of Google Analytics tracking code), you can use the below code to generate the values you want within the browser, by reading browser cookies. (Most people will have migrated to analytics.js, which does not store the campaign information in the __utmz cookie.)

I assume you have a function called readCookie(); I tend to use the one from QuirksMode

For referral, medium, and campaign information:

var utmz = readCookie('__utmz'); //using a cookie reading function
var vals = (function() {
        var pairs = utmz.split('.').slice(4).join('.').split('|');
        var ga = {};
        for (var i = 0; i < pairs.length; i++) {
            var temp = pairs[i].split('=');
                ga[temp[0]] = temp[1];
        }
        return ga;
    })();

//vals.utmcmd: medium (organic, referral, direct, etc)
//vals.utmcsr: source (google, facebook.com, etc)
//vals.utmcct: content (index.html, etc)
//vals.utmccn: campaign 
//vals.utmctr: term (search term)
//vals.utmgclid: adwords-only (value is irrelevant, but means its AdWords autotagged traffic, but it implies that medium=cpc, even though it'll be set to `(none)` or `(not%20set)`

For pageview count and visit count: 

var pageviews = readCookie('__utmz').split('.')[1];
var visits = readCookie('__utma').split('.').pop() //returns number of visits

Obviously, if (+visits)===1, then its a first time visitor. (Remember: values from cookies will be strings, so you'll need to cast them to numbers to safely do numeric comparisons, even though JS is loosely typed.

Yahel
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  • WOW! That's pure magic. I did not know about that. Thank you so much. – Evgenii Apr 14 '11 at 06:01
  • I wonder if it is possible to get pages visited for this user. – jrosell Dec 07 '11 at 17:04
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    @ByronSingh No, UA doesn't store campaign information in the cookie. But there's a whole API process to extract campaign information from a Universal Analytics cookie. But that's a separate question. – Yahel May 14 '14 at 23:13
  • @Yahel would love to hear more about that - are there any docs on that process somewhere? I'm looking to extract new vs returning info, or source/campaign info. – dubesor Aug 06 '15 at 03:36
  • @DipuR yes, this only applies to ga.js, not analytics.js. I've added a note to reflect that. – Yahel Mar 12 '18 at 15:03
  • @Yahel , sorry I overlooked – Dipu R Mar 13 '18 at 12:39
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Apparently, this doesn't work anymore. Since 2013 where use enabled SSL, all keywords are stripped out from referer URL.

From now on the only option to get some statistic (not per user) data is to enable Search Console.

Dawid Adach
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You should be able to get it all from the cookies set by Google Analytics. They are stored as first party cookies so JavaScript running on a page will be able to read them. The number of visits can be obtained from the last part of the __utma cookie and the referrer can be taken from __utmz. The source is the utmcsr bit of __utmz while the medium comes from utmcmd and the keyword is utmctr.

Ewan Heming
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