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 quite a bit, with the biggest changes landing on the Overview dashboard and the …
The Simmer Newsletter
Subscribe to the Simmer newsletter to get the latest news and content from Simo Ahava into your email inbox!
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, GCP now wants you to use a certificate map. Luckily, creating one is (fairly) …
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 creating, sharing, and running applications, right from the Docker platform itself. …
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. Before, you had the Web Container Client for loading the gtm.js file, and you …
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 article, he shares some useful learnings for working with click identifiers. Click …
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 Tag Manager, you can use Consent Mode’s features and APIs …
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 questions than it answered. Even though I tackled the email in a LinkedIn …
