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Hi Tatiana: 1. The sample data in the app lets you play around with how GrowthBook works, but doesn’t connect to your actual application - so it depends on what you mean by ‘test’ 2. You can test entirely with GTM and GA4 with BigQuery, though it does take some setup and a little bit of technical knowledge. 3. You need something for your experiment exposure events and metric data - GrowthBook doesn’t ingest this data itself, but ties into some other data source, like GA4 -> BigQuery 4. You can use the visual editor to design tests as a non technical person, as long as what you’re trying to test is relatively simple

We created GTM, now the developer is unsure about the codes that we should implement on the website. We are following the page above, but we still don't know if only GTM will be necessary, if we will need more data, we are all confused.

if you have a developer who can add the SDK to the site, that is preferred over using GTM

We follow https://docs.growthbook.io/guide/google-tag-manager-and-growthbook. My question is: is it necessary to just create the GTM, configure the SDK and start testing? Is it also necessary to implement GA4? If I don't use GA4, can I still do tests? Is there any other information besides what is on the GTM page that I need to follow? I'm using WordPress. And Graham, I tried to do tests using Demo and I couldn't.

We have the JS SDK on our frontend, which sends an event to GTM in the trackingCallback. We then use GA4 to track the experiments, which was set up following this guide (this also involves linking GA4 to the BigQuery project used for Growthbook): https://docs.growthbook.io/guide/GA4-google-analytics

Hi Christian - sorry, didn’t see this in the old thread - were you able to get it working?

@fresh-football-47124 no help needed, just wanted to share how I set it up to help @rapid-greece-48554