A practical deep dive into HTML’s article, section, and aside: article for self-contained, shareable units; section for thematically grouped content; aside for supplementary info. Through clear examples and an online magazine case study, it shows how semantic markup boosts readability, accessibility, maintainability, and SEO, and points to resources for further learning.
Use `<div>` for unrelated content or styling purposes only, `<section>` for grouping related content or providing a clear outline, and `<article>` for self-contained pieces of content that can stand alone to improve web page structure and accessibility.
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