Cool! This is actually reason number two why I was considering EarlyBird and even made a whole landing page in it, but then moved to carrd. I wanted to use html embeds so I could inject my analytics service of choice and use a bit of javascript to send events when visitors press the submit button.

(Number 1 reason is not a secret, jut not relevant to this request - that was just price and given EarlyBird simplicity price alone possibly wouldn't be enough to pull me to carrd).

Yes, please a "custom HTML embed" block would certainly make a huge difference