Semantic HTML — Complete Guide
Semantic HTML — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of HTML Tutorial on Toolliyo Academy.
On this page
HTML Tutorial · Lesson 31 of 100
Semantic HTML
Basics ✓ → Forms & semantics → APIs & performance → Projects
Forms & semantics · 2 — Forms, SEO, a11y · ~6 min · HTML — Semantic HTML & SEO
What is this?
Semantic elements describe meaning (header, nav, main, article) — not only generic div soup.
Why should you care?
MarkupVerse landmarks help assistive tech and clearer CSS hooks.
See it live — copy this example
Save as demo.html and open in your browser, or use Run Example below.
<body>
<header>…brand + nav…</header>
<main>
<article>…blog post…</article>
</main>
<footer>…legal…</footer>
</body>Run Example »
Edit the code below and click Run to see the result in Toolliyo’s live editor.
What happened?
- Prefer semantic tags when they match the content role.
- div/span remain for styling hooks without meaning.
Practice next
- Replace outer layout divs with header/main/footer.
- One main.
- Validate landmarks.
- Add nav inside header.
- Add article for a news card.
Remember
Meaning over divs. One main. div OK for styling.
MarkupVerse landmarks
Page exposes header/main/footer.
Outcome: SR landmark list is useful.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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