The software that builds and displays the experience is the browser. Most webpages could be cut by 90% and be visually and functionally indistinguishable. For 90% of the last 10%, the functionality cut out would improve the user experience, especially on mobile.
Which only highlights the point of how overengineered it is. You shouldn't need (and in fact you don't need) several-layer tall stacks of programming languages and support equipment to render something that's less functional than a PowerPoint presentation.
