To adjust the count up speed, use the ?speed={num} url parameter with the simple text setup or the data-speed attribute for the code block setup.

The value is in milliseconds, so 5000 means 5 seconds.

<center>
  <h2 style="margin:0" 
         data-wm-plugin="countup"
         data-speed="3000">100</h2>
</center>
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