You can embed HTML in an SVG via foreignObject. Seems like that's exactly what the library is doing[0].
Whether that's faster or more reliable, I don't know. Seems likely to render different depending on where you view the SVG (especially out of browsers).
Whether that's faster or more reliable, I don't know. Seems likely to render different depending on where you view the SVG (especially out of browsers).
[0]: https://github.com/search?q=repo%3Azumerlab%2Fsnapdom%20fore...