Yes! You can add external javascript code or widget embed code or tracking pixels into your superblog.
For example:- Facebook Pixel, Hubspot Tracking Code, Freshchat widget or Plausible Analytics or any other service code can be embedded.

How to:

  1. Visit your Superblog dashboard
  2. Go Settings>Expert section.
  3. Copy paste the javascript code in “Misc Scripts” textbox.

Then Save and click Deploy button.