Dashboard slow to load

  1. What model pi? Never mind this I see you mentioned it previously
  2. what is are you running? and never mind this
  3. are you using docker or HomeAssitant?

Can you provide the flow?
In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)

``` 
   code goes here 
```

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See this post for more details - How to share code or flow json