Category Archives: Google Analytics

The Perils of Using Google Analytics User Counts in A/B Testing

Google Analytics User Data in AB Testing

Many analysts, marketers, product managers, UX and CRO professionals nowadays rely on user counts provided by Google Analytics, Adobe Analytics, or similar tools, in order to perform various statistical analyses. Such analyses may involve the statistical hypothesis tests and estimations part of A/B testing, and may also include regressions and predictive models (LTV, churn, etc.). […] Read More…

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The Effect of Using Cardinality Estimates Like HyperLogLog in Statistical Analyses

This article will examine the effects of using the HyperLogLog++ (HLL++) cardinality estimation algorithm in applications where its output serves as input for statistical calculations. A prominent example of such a scenario can be found in online controlled experiments (online A/B tests) where key performance measures are often based on the number of unique users, […] Read More…

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Top 10 ways to ruin your Google Analytics data and how to avoid them

No Pulse - No Data

A lot of businesses rely on Google Analytics to assess the performance of their online efforts with regards to online sales, marketing, support, or just providing users with information about a brand or a product. Any measurements and conclusions based on them, however, are only as good as the accuracy and reliability of the data […] Read More…

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Future-Proofing Against Google Analytics Spam

A Spammer's View of the GA Home Report

Some two years after it gained prominence Google Analytics spam is all the rage again with one or several notorious spammers finding their way into hundreds of thousands of Google Analytics accounts in order to bring attention to stuff the spammer or his/her associates are making money off. The new wave started around Nov 8, […] Read More…

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Language Spam – The Latest Google Analytics Spam

In the past 2 weeks we are witnessing a new wave of Google Analytics Spam – language spam and in this post I’ll outline what it is, how it happens and how you can protect your GA accounts from it (to some extent). We first started seeing it on Nov 8, just as the 2016 […] Read More…

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Get Your Google Analytics Tracking Code & ID and Check Your Setup

Google Analytics Tracking Code 2

OK, so you’ve decided that you’d start tracking your site with Google Analytics. Or you were given the task to install Google Analytics tracking on a site. In both cases you need to start by logging into a Google account (not necessarily a Gmail one), accepting the Google Analytics terms of service and then creating […] Read More…

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