HTML Summary
The whole HTML tutorial, distilled to one page. Skim before an interview or use it as a cheat sheet.
The big ideas
- HTML is a markup language. It describes structure; CSS handles look; JavaScript handles behaviour.
- Every page starts with
<!DOCTYPE html>and an<html>root containing<head>+<body>. - Elements have start tags, content, and end tags. A few are void (no end tag):
<img>,<br>,<input>,<meta>,<link>. - Attributes go in the start tag as
name="value". - Pick elements for meaning, not appearance. Reach for
<header>,<main>,<article>,<footer>before<div>. - Always set
<meta charset="UTF-8">and the viewport meta tag. - Every
<img>needs analt; every form<input>needs a<label>. - Use external CSS for production; inline styles for one-offs.
localStoragefor small persistent data; cookies for things the server reads; never for secrets.- The Web Platform has APIs for almost everything — Geolocation, Storage, Workers, Canvas, WebSocket. No plugins needed.
Where to go next
| If you want… | Go to… |
|---|---|
| Beautiful layouts | CSS Tutorial → Flexbox, Grid. |
| Interactivity | JavaScript Tutorial. |
| A backend | PHP Tutorial or build with Laravel. |
| Data storage | SQL Tutorial. |
| To go deeper | MDN Web Docs at developer.mozilla.org. |
You're done. Mark this lesson complete, look back at how many topics you've covered, and start your next project today.
Example
Example
<!DOCTYPE html>
<html>
<head>
<title>HTML Summary</title>
</head>
<body>
<h1>HTML Summary</h1>
<p>This is a demo page for the "HTML Summary" lesson.</p>
</body>
</html>
Try it Yourself »
Exercise
After finishing every section you should be able to ship a small static…
static
Four letters; what GitHub Pages hosts.
Discussion
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