![](https://lemmy.world/pictrs/image/7c0ef3ad-0703-404f-b24e-34ebd1c72ad0.png)
![](https://lemmy.world/pictrs/image/f8157995-3bd3-4fde-8f60-aa5e265c6611.png)
That would be amazingly impractical. May as well say “what if all website were forced to be .txt files”.
Most website template frameworks (Bootstrap/Foundation) etc rely on Javascript for basic UI features. Imagine having to wait for the server to toggle a simple CSS class on your page any time the user wants to view a menu, togle a button, or view a popup/modal/lightbox/whatever.
They’re not a joke, they’re a product called Seawing, made by a French company. They’re being being actively tested and can be retro fitted to existing vessels rather than requiring a new design.