@groovice I’m not quite sure I understand what you are after. In the Matomo backend the real time report you are showing in the screenshot should show how many visitors there are on your site in the last 30 minutes and 24 hours.
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see the number of visits/actions on the right. This information is in real time.
There is also another widget but it is not in real time. I have uploaded the screenshots along with the other image in https://imgur.com/a/EYRZaAH
* Select your Dashboard in Matomo reporting page
* Click on Dashboard -> Select “KPI Metric” category -> Select “KPI Metric” widget
* Now you can click on the metric selector in the newly added dashboard widget and select any number statistic you are after (there are many to choose from)
* Then the widget will update and show the number