As long as you're not shoving everything into the shadow dom, then you've got a fallback HTML element that can render before JS is read (and even if the JS is c

As long as you're not shoving everything into the shadow dom, then you've got a fallback HTML element that can render before JS is read (and even if the JS is completely broken)... <special-image> <img src="/example.png" /> </special-image> This image will render before the JS is executed, so you've got no blockers and a perfectly fine fallback, then with the web component you enhance your image with whatever JS you want.