If you have no idea what Google Analytics is used for then you can read Google’s promotional material.  While some people“Google Analytics - What is it good for?” by Brian Teeman, Joomla Community Magazine, 20 March 2023 do not feel that Google Analytics is a particularly worthwhile investment of time, I’m happy enough to use it.  With the demise“As Google’s Universal Analytics comes to a close, what alternatives if any do you need?As Google’s Universal Analytics comes to a close, what alternatives if any do you need?” by Philip Walton, Joomla Community Magazine, 20 September 2022 of Google’s Universal Analytics (also known as “Google Analytics 3”)GA3 stopped collecting data effective from 1 July 2023. Google released GA4 late last year.

You can read about more ways you can use GA4 by reading these two articles:

• “GA4 Events and More!” by Louise Hawkins, Joomla Community Magazine, 20 November 2022
• “Google Analytics GA4 Reporting…” by Louise Hawkins, Joomla Community Magazine, December 2022

Assuming you understand what Google Analytics does, or what you might be able to do with it, I’ll leave it to the reader to create the GA4 property and obtain the “tracking code” that’s required for GA to collect the data from your website(s).  This article is concerned with answering a question that is often asked (and, in my opinion, poorly answered), viz.

I have … the script for Google Tag Manager but can’t find where to copy it…a forum user, Joomla forum, 9-Sep-2023

I think the biggest problem people have finding the answer is because the information that I’ve found is incredibly dense and hard to read; in fact it was quite difficult for me to understand, I nearly decided to abandon Google Analytics altogether.  We’ll try to make things as easy as possible; I got things working and you can too … and it won’t take you a month of Sundays to solve this problem!

A common experienceI couldn’t tell you how often this problem occurs but the issue arises on The Joomla Forum™ about twice a week. that people have after “successfully” updating from J! 3.10 to J! 4.x is that their website breaks.  It doesn’t happen all the time—i.e. every time people migrate from J! 3.x to J! 4.x—but it can catch people by surprise.  One of the most common reasons why websites will break is because their J! 3.10 site had one or more third-party extensions installed that used “deprecated code”Further information about potential backward compatibility changes J! 4 may be found here:  Potential backward compatibility issues in Joomla 4.  If you didn’t install any third-party extensions then you can ignore the rest of this topicIf you have not installed any third-party extensions in J! 3.10 then your migration to J! 4.x should proceed successfully but there may be other factors—not involving “deprecated code”—that can complicate the upgrade..