Impact is an automatic estimate of how much a story is likely to
affect one website, weighing who published it, whether Google has
confirmed a ranking change, how many outlets ran it, and whether
the wording implies work on your site. It reads headlines, not
your analytics — treat it as triage, not a verdict.
There’s a somewhat understated feature in the Google Tag Manager Community Template Gallery, which should certainly prove useful, especially to template authors. The template status page shows a list…
Thanks to Giovani Ortolani Barbosa for reminding me about this possibility within Google Tag Manager and thus inspiring this blog post. If you’re running server-side Google Tag Manager (SGTM), you’re…
In preparation for the upcoming major integration between Google Tag and Google Tag Manager, Google has rolled out some user interface changes to your GTM containers. The changes simplify the UI…
UPDATED 20 March 2026: Shortly after publishing this article, Google Cloud changed how Load Balancer frontend certificate management works. Instead of directly mapping a frontend to a certificate,…
Server-side Google Tag Manager is essentially a server application (running on Node.js), which Google has helpfully composed into a Docker image. Docker, on the other hand, is an environment for…
On June 30, 2025, Google announced that they are consolidating how Google’s script libraries for the web (e.g. gtm.js and gtag.js) are loaded when using a server-side Google Tag Manager container.…
This is a guest post by Jude Nwachukwu Onyejekwe. He is a prolific content creator, and he curates the DumbData portal, which is full of great, free resources for measurement enthusiasts. In this…
Google’s Consent Mode is a way to control how tags react to the user’s consent for different tracking purposes. It is specifically designed to work with Google’s tags, but especially through Google…
Google Tag Manager users received an email on March 11th, where Google announced a very cryptic update to Google Tag Manager: As is typical with Google’s email communications, the email raised more…
One of the most popular use cases for server-side Google Tag Manager, often shared on this blog, too, is to split an incoming stream into multiple different endpoints. Since the demise of customTask…
There are many reasons why you might want to duplicate your tags (or triggers, or variables, or templates) in Google Tag Manager. One prime example is server-side tagging, where it’s sensible to…
In this guide, I’ll show you how to add first-party cookie values client-side, which your server-side Google Tag Manager processes can then access. You might be wondering: “Why bother?”. After all,…