“Just HTML and CSS” can power high-performing, accessible, SEO-friendly frontends—especially when paired with modern build tooling and Web Components.
Trends
Container queries & :has() enable component-level responsiveness.
CSS Subgrid & cascade layers deliver predictable layouts in design systems.
Native lazy-loading & priority hints cut time-to-interactive for content sites.
Enterprise angle
Design systems built on vanilla HTML/CSS scale better across teams than bespoke JS frameworks in content-heavy portals.
Action
Audit CSS for cascade leaks, ship design tokens, and adopt progressive enhancement—then measure with Core Web Vitals.