Category: Digital analytics

Web and digital analytics articles — measurement, data collection, analysis and optimization. GA4, GTM, server-side tracking and more.

  • Optimize Your Google Tag Manager Container: Why and How

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    In October 2026, Google released a new feature that lets you optimize your Google Tag Manager (GTM) container. It merges the separate files your site downloads to measure different Google services into one. GTM alone is now enough, so your site loads faster. And there’s a privacy bonus: you can set GTM up so the…

  • Cookie Lifetime: Why GA4 Shows More Users Than You Actually Have

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    Everyone has heard of cookies — we click through the consent banner on every website. Few people can actually explain what a cookie is, let alone the difference between a first-party and a third-party cookie. Yet this exact mechanic is what attribution, remarketing, and GA4’s ability to recognize a returning customer all depend on. And…

  • youtube-nocookie GDPR compliance: why it falls short (and what to do instead)

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    Embedding a YouTube video on your site? Then you’re dealing with GDPR, whether you’ve thought about it or not. And if you already “solved” this by switching the embed to the youtube-nocookie.com domain, here’s the uncomfortable part: that alone doesn’t get you full youtube-nocookie GDPR compliance. It’s a step in the right direction. It’s not…

  • GTM Workspace Switcher Missing: Where It Went in the New Interface

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    Between May 20 and June 29, 2026, Google rolled out a new interface, and for containers with a single active workspace, it simply hid the switcher. GTM Workspace Switcher Missing? Here’s Why Google announced the new interface on May 20, 2026, and the full rollout wrapped up by the end of June. It targets users…

  • Webinar: Setting up Seznam SEM in GTM

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    You can play the recording of the webinar on the website Seznam.cz. Where are the links mentioned in the video? Can I download the GTM setup example that was in the webinar somewhere? Sure! The steps are below. Just take it as an example – the settings work for the sandbox shown. However, the variables…

    Nastavení Seznam SEM v GTM