<!DOCTYPE html>

Declares the document as HTML5.

<html>

Root element that wraps the entire webpage.

<head>

Contains metadata, links, scripts, and the page title.

<title>

Sets the text shown in the browser tab.

<body>

Contains all visible content on the page.

<h1>

Primary page heading; used for the main title.

<h2>

Section heading.

<h3>

Subsection heading.

<p>

Paragraph of text.

<span>

Inline container for styling or grouping small text segments.

<a>

Creates a hyperlink to another page, section, or resource.

<img>

Displays an image; requires src and alt attributes.

<div>

Generic block-level container used for layout and grouping.

<header>

Top section of a page or article (logo, navigation, intro).

<footer>

Bottom section (copyright, legal info, links).

<nav>

Contains navigation menus or link groups.

<main>

Represents the primary content of the page.

<section>

Groups related content into thematic sections.

<article>

Self-contained content such as blog posts or cards.

<ul>

Unordered list (bulleted).

<ol>

Ordered list (numbered).

<li>

List item inside <ul> or <ol>.

<table>

Defines a table.

<tr>

Table row.

<td>

Table data cell.

<th>

Table header cell (bold and centered by default).

<form>

Wraps form fields and handles submission.

<input>

Single-line input field (text, email, checkbox, etc.).

<button>

Clickable button for actions or form submission.

<label>

Describes an input field and improves accessibility.