On the 7th September 2021 I gave a talk at DeepSEOcon in relation to using Google Analytics 4 and Data Studio to create novel reports to help SEOs and web developers improve how well their sites perform.
Here are the slides for that talk as well as links to the articles that enable you to make those reports for yourself (pdf).
How to create your own Data Studio report that blends Google Analytics 4 with Google Search Console to aid with tracking the performance of title tags on Google Search.
This report picks up different types of errors that happen in your visitors browser and reports them via Google Analytics 4 to Data Studio.
Gathering your own users page experiences is the best way to learn where you need to make improvements. This article explains how to gather and report on that data.