Building a Scroll-Aware Blog Reader with AgnosticUI (React, Vue, Lit)

Reading on the web has a UX problem. Most article layouts are just unstyled content with a nav stuck on top. The features that make reading feel good — a progress indicator, a back-to-top button that appears when you need it, inline search highlighting — are treated as nice-to-haves. We built the Blog / Article Reader playbook to show what these features look like when they're implemented properly across all three major frameworks. What's in the Playbook ScrollProgress A fixed top bar that grows as the user scrolls. Tells the reader exactly how far through the article they are without them having to think about it. <ag-scroll-progress></ag-scroll-progress> That's the entire implementation in the template. The component handles the scroll listener and progress calculation internally. ScrollToButton A floating button that appears in the bottom-right corner after the user scrolls past roughly 30% of the article. Clicking it smooth-scrolls back to the top. It's invisible when you don't nee