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Google Analytics - Showing Different Results Then Raw IIS Log Analysis

Discussion in 'Google Analytics' started by warlock_cro, Oct 12, 2006.

  1. #1
    Has anyone experienced simmilar issues ?

    For example, when comparing number of daily unique vistors from Google Analytics with IIS log data I get difference of about 25% - 35%.
    SEMrush
    So if Goog. Analytics show 1000 uniques I read about 1250-1350 uniques directly from IIS logs.

    I even tried to use two different programs for analysing IIS logs;
    -Nihuo Web Log Analyzer 2
    -Mach5 Analyzer

    Both programs show same number of uniques.

    So what could be the catch here Google showing less or IIS logging more visitor then then realy was.
     
    warlock_cro, Oct 12, 2006 IP
    SEMrush
  2. kevin7654

    kevin7654 Peon

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    #2
    Could it have something to do with users having javascript disabled which could mess up google analytics?
     
    kevin7654, Oct 12, 2006 IP
  3. warlock_cro

    warlock_cro Peon

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    #3
    Probably it could be the case ..
    But then it would be a major disadvantage of G. Anlytics
    There must be some kind of workaround for that situation
     
    warlock_cro, Oct 12, 2006 IP
  4. warlock_cro

    warlock_cro Peon

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    #4
    Ok ...
    In case that anyone also wonders on this one ...

    http://www.google.com/support/analytics/bin/answer.py?answer=27237&topic=7210

    1. A pageview is only recorded for Google Analytics when the JavaScript on Google's servers is executed. Spiders and bots are not able to execute this file. Therefore, while Urchin 5's pageview totals using the IP+UserAgent method include spider and bot traffic, Google Analytics' pageview totals using the tracking code method do not. The resulting effect on pageview counts can be significant.
     
    warlock_cro, Oct 12, 2006 IP