Original concept from here
Use it:
<iframe src="https://obspogon.neocities.org/webgarden" style="width: 250px; height: 250px" scrolling="no" loading="lazy"></iframe>
<iframe src="https://obspogon.neocities.org/webgarden" style="width: 250px; height: 250px" scrolling="no" loading="lazy"></iframe>