Google Tag Manager is great for a lot of reasons, but one that benefits us the most is that you can add and update scripts running on your site without having to involve a developer (once it's set up, of course) and/or going through the whole process of changing the code base. It just reduces so much overhead in terms of dev team involvement. Review collected by and hosted on G2.com.

There's a decent learning curve, and it can be somewhat confusing at times, especially when you are just getting started with it. Still, it's a great tool to use and it does its job well. Review collected by and hosted on G2.com.

The Tags and Triggers system in GTM makes it so easy to create custom events on events for Google Analytics. Review collected by and hosted on G2.com.

At times it becomes very tedious, and the preview mode also doesn't work properly for a container with heavy tags and triggers. Review collected by and hosted on G2.com.

I like how many different options Google Tag Manager gives to its users. There are tons and tons of trigger and tag pairings that you can set up. Review collected by and hosted on G2.com.

Sometimes tags have a delayed firing time that isn't opted in for. Review collected by and hosted on G2.com.

The best thing about Google Tag Manager is, it's a single platform to add and activate multiple tags in a website or multiple website, all are manageable from Google Tag Manager. it has easy to understand user experience design and functions. it allows me to run multiple data requests as required for an e-commerce website. Review collected by and hosted on G2.com.

when I add a global site tag for Google Ads there is no such feature to integrate it. either I have to place that code in HTML tag into Google Tag Manager OR I have to place the code into the website directly. Review collected by and hosted on G2.com.

The method and ease of usage for the marketing team and removal of dependencies from the engineering team and making the marketing team independent. Also, the debug mode is great. Review collected by and hosted on G2.com.

The async load which might sometime cause timing issues and can cause issues. Else everything is awesome and it's a breeze to use and the platform has scalability. Review collected by and hosted on G2.com.

A seemingly strong application that helps manage your tags from marketing channels such as Google Ads, Google Analytics, Facebook Ads, AdRoll, and more. Makes the website load faster as it makes the tags fire when requires. Account management is also advantageous as it allows many types of access levels. Review collected by and hosted on G2.com.

It's a complicated setup and requires advanced technical knowledge to implement tags, create containers, and define variables. With some practice, this can be learned and used in web marketing. Review collected by and hosted on G2.com.

I am able to drop in a single script and have it apply to all webpages

Tag Manager is easy to work with and requires low dev skill to implement Review collected by and hosted on G2.com.

Managing multiple properties from a single account can be difficult Review collected by and hosted on G2.com.

One place to store all external code. And simple enough for our non-dev's to handle. Review collected by and hosted on G2.com.

Can't find any downsides yet. Everything using it has been really straightforward. Review collected by and hosted on G2.com.

TagManager lets you inject javascript inside your website without putting your hands on the code.

Built-in triggers and variables are enough for most cases, but adding new ones is extremely easy.

Managing complex tracking plans is easy thanks to internal variables and the grouping of tags.

The preview mode is so powerful that it makes debugging a simple (and almost fun) task, with comprehensive info on the activated triggers, the populated variables, and the fired/not-fired tags.

Access control adopts the standard Google architecture so that you can add and manage different users and their access privileges straightforwardly and intuitively. Review collected by and hosted on G2.com.

Versioning is present, but reverting to an old version is not as easy as you would expect. Review collected by and hosted on G2.com.

Before using Google Tag Manager, I would have to log into the website admin AND whatever tool I was grabbing the code from (CRM, email client, Facebook Business Manager, etc.) for every client. This was time-consuming. Plus I had to check every page manually. Google Tag Manager lets me put all the pixels and code snippets in one place. Review collected by and hosted on G2.com.

The learning curve for Google Tag Manager is a little steep. It took me a few tries before I was comfortable with the platform. But once I spent that time to figure things out ONCE, I've saved time every single project since. So it was definitely worth it. Review collected by and hosted on G2.com.