Author: Pavel Šabatka
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youtube-nocookie GDPR compliance: why it falls short (and what to do instead)
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…
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GTM Workspace Switcher Missing: Where It Went in the New Interface
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…
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Webinar: Setting up Seznam SEM in GTM
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…
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GTM and Page Speed: Why Runtime and INP Matter More Than Script Size
Updated after a LinkedIn discussion. I reworked and expanded this article based on the discussion underneath it. Thanks to everyone who jumped in. Site speed stopped being a developer concern and became a business one. It shows up directly in revenue: Akamai data from 10 billion visits found that 53 % of mobile users abandon…
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GTM vs. CSP — How to Make Tracking and Security Coexist
A developer deploys Content Security Policy on the company website — and tracking silently breaks. Or the reverse: an analyst adds a tag to Google Tag Manager (GTM) and pushes through a CSP exception — measurement works, but the site is wide open. GTM is inherently a script injector — it loads third-party scripts into…
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