How to embed a Grafana Panel on a wordpress website with Elementor?

I did all the procedure described in this web tutorial (, but on my website in the HTML window this message is appearing. Connection to was refused.
In Grafana’s Share Panel it says: The HTML code below can be pasted and included in another web page. Unless anonymous access is enabled, the user viewing that page needs to be signed into Grafana for the graph to load. How will my website user sign in to Grafana? How can I sign my website in Grafana? Does anyone have a tutorial on this topic or can help me?