It seems the SVGs of the website are included with the object tag instead of img. It causes the following error:
The loading of “https://text-to-diagram.com/_next/static/media/d2_tala.e0aed22d.svg” in a frame is denied by “X-Frame-Options“ directive set to “deny“
It seems the SVGs of the website are included with the object tag instead of img. It causes the following error: