HTML/DOM/CSS/JS was not intended for application development. Web Components are a modest attempt but you still need a framework. These frameworks give you high

HTML/DOM/CSS/JS was not intended for application development. Web Components are a modest attempt but you still need a framework. These frameworks give you higher abstraction and a decent architecture that scale. Ease of maintenance is also an important factor. You will not necessarily sacrifice performance. Well, written react application might perform better: fibers, virtual dom, synthetic events, pure components and async rendering are decent optimizations.