Track ‘Dark Theme’ in Google Analytics 4 (GA4 and GTM)

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  • 2 min read

In this blog post, we’ll use media queries particular user (device) properties using Google Tag Manager and Google Analytics 4. Some JavaScript knowledge is not a luxury. Using media queries, developers can personalize their app or website based on device and personal preferences by the user. Using the matchMedia method… 

How to read ZIP files in R

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  • 2 min read

In this blog post I discuss how you can load compressed CSV files, such as .zip and .tar.gz. Nowadays, many packages support it and we’ll go over the different methods. When data sets are ping-ponged across an organization, in order to limit network and storage usage, they often come in… 

Send Optimizely Experiment and Variation to GA4 via GTM

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  • 4 min read

Optimizely is an amazing product for running experiments on your digital platforms. However, their documentation is somewhat outdated. In this blog post I would like to elaborate on how to send Optimizely’s experiment ID and variation ID to Google Analytics 4 in an event parameter. Judging from the screenshots, Optimizely’s…