Change.org hasn't had an embeddable widget for petitions for years now, so I made my own.
Above is a live example. If you're on desktop, resize your browser window to also see what it looks like in vertical.
There is no caching on the signature count, so it's always up to date. It will remain this way unless the API gets too much usage.
You can check out this project's terrible source code on GitHub or give me money if you're feeling generous.
Your embed URL is:
The widget is responsive and works fine in many sizes, but the recommended sizes are 1200x300 if used horizontally and 700x850 if used vertically.