A refinement of the more generic frontend tag. In a web application this usually means HTML, CSS and JavaScript

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Web design is often lumped together with a lot of other ideas like UX design and web development. Although these areas do overlap, the skill sets are not interchangeable and not all designers know how to code (or vice-versa).

Performance matters — we all know it. However, do we actually always know what our performance bottlenecks exactly are? Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering? Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, clients hints, CSS containment, HTTP/2 and service workers?