HTML Document Structure — Complete Guide
HTML Document Structure — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of HTML Tutorial on Toolliyo Academy.
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HTML Tutorial · Lesson 2 of 100
HTML Document Structure
Basics → Forms & semantics → APIs & performance → Projects
Basics · 1 — Structure & media · ~6 min · HTML — Foundations
What is this?
A valid page has DOCTYPE, html, head (meta/title), and body for visible content.
Why should you care?
MarkupVerse templates share one skeleton so every site starts consistent.
See it live — copy this example
Save as demo.html and open in your browser, or use Run Example below.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>MarkupVerse Structure</title>
</head>
<body>
<header>Site header</header>
<main>Main content</main>
<footer>© MarkupVerse</footer>
</body>
</html>Run Example »
Edit the code below and click Run to see the result in Toolliyo’s live editor.
What happened?
- charset and viewport belong early in head.
- One main landmark for primary content.
Practice next
- Copy the skeleton.
- Replace main text.
- View page source and match tags.
- Add a second meta description.
- Move footer text.
Remember
DOCTYPE + html + head + body. Meta in head. Content in body.
MarkupVerse page skeleton
All projects reuse this shell.
Outcome: Fewer broken pages from missing head tags.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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