WordPress Introduction

Beginner
⏱️ 14 min read
📚 Updated: Jul 2026
🎯 5 Examples
CMS · themes · plugins

What You’ll Learn

This page is a self-contained introduction to WordPress—the world’s most popular CMS. You will understand what WordPress is, how it works, what you can build, and how to take your first steps.

01

What is WP

CMS overview.

02

Creator

Matt Mullenweg.

03

How it works

Dashboard flow.

04

Site types

Blogs to stores.

05

Open source

GPL license.

06

Examples

First steps.

🤔 What is WordPress?

WordPress is a popular free and open-source content management system (CMS) used to create and manage websites. It offers a simple, intuitive admin dashboard, customizable themes, extensible plugins, and a large global community of developers and users.

WordPress is built with PHP and stores content in a database (typically MySQL or MariaDB). You write posts and pages in the browser; WordPress generates HTML for visitors. No manual file editing is required for everyday publishing.

💡
Beginner tip

WordPress.org = download and self-host. WordPress.com = hosted service. Most tutorials and plugins refer to self-hosted WordPress.org.

👴 Who Is the Father of WordPress?

Matt Mullenweg is known as the father of WordPress. He co-founded the platform in 2003 with Mike Little, building on the discontinued b2/cafelog blogging software. Mullenweg continues to lead Automattic (WordPress.com, WooCommerce, Jetpack) and remains central to the open-source project’s direction.

EventYearHighlight
WordPress launched2003Matt Mullenweg & Mike Little
Plugins introduced2004Extend core without editing files
WordPress.org2005Community hub for downloads & docs
Gutenberg editor2018Block-based content editing
Market shareTodayPowers 40%+ of all websites

⚙️ How WordPress Works

WordPress stores website content in a database and generates web pages on the fly when someone visits a URL. The typical flow:

  1. A visitor requests a page (e.g. yoursite.com/blog/hello-world)
  2. PHP loads WordPress core from your server
  3. WordPress queries the database for the post, settings, and menus
  4. The active theme renders HTML around your content
  5. Plugins hook in to add features (SEO, forms, caching, etc.)
  6. The finished HTML is sent to the browser

Authors create and edit content through the wp-admin dashboard, customize appearance with themes, and extend functionality with plugins—all without touching server code for routine tasks.

✨ What Kinds of Websites Can WordPress Make?

  1. Blogs — WordPress started as blogging software and remains ideal for personal and professional blogs
  2. Business websites — company sites with contact forms, service pages, and portfolios
  3. E-commerce websites — online stores with WooCommerce (products, cart, payments)
  4. Online communities — forums, membership sites, and social features via plugins
  5. Portfolio websites — showcase work for artists, photographers, and designers
  6. Educational websites — school sites, LMS courses, and lesson content
  7. News and magazine websites — articles, categories, archives, and sharing
  8. Personal websites — online resumes and personal branding

In short, WordPress can power virtually any type of website you can imagine—from a one-page landing site to a multilingual enterprise portal.

😮 Is WordPress Easy to Learn?

Yes. WordPress is generally considered easy to learn. The dashboard uses familiar labels like Posts, Pages, Media, and Appearance. Block editor patterns let you build layouts by dragging blocks instead of writing HTML.

Thousands of tutorials, forums, and official documentation help beginners. You can launch a simple blog in an afternoon; mastering themes, performance, and security takes longer but follows a clear learning path.

  • Start with a default theme and publish one post and one page
  • Install one plugin at a time and test after each change
  • Use staging sites before updating production plugins or themes

🎁 Is WordPress Open Source?

Yes. WordPress is open-source software licensed under the GNU General Public License (GPL). Anyone can use, study, modify, and redistribute the software for free, as long as derivative works also respect GPL terms.

Themes and plugins in the official directory are also GPL-compatible. Premium products may use different licensing for support and updates, but the WordPress core itself is always free.

📈 Top 5 Websites Built with WordPress

WordPress is trusted by major brands worldwide. Here are five well-known examples:

  1. The Walt Disney Company — corporate news and brand presence
  2. The New Yorker — magazine publishing and long-form journalism
  3. BBC America — entertainment, news, and show promotion
  4. TechCrunch — high-traffic technology news
  5. Microsoft News Center — official news and announcements

From small blogs to enterprise publishers, WordPress scales with caching, CDNs, and tuned hosting.

🧰 Core Building Blocks

ConceptWhat it does
Dashboard (wp-admin)Control panel for content, users, and settings
PostsTime-based blog entries with categories and tags
PagesStatic content (About, Contact) outside the blog feed
ThemesControl layout, typography, and design templates
PluginsAdd features without modifying core code
Media LibraryStore and reuse images, PDFs, and videos
Users & rolesAdmin, Editor, Author, Subscriber permissions

⚡ Quick Reference

TaskWhere to go
Write a blog postDashboard → Posts → Add New
Change site designAppearance → Themes
Add contact formPlugins → Add New (e.g. WPForms)
Update site titleSettings → General
Install updatesDashboard → Updates
Admin URLyoursite.com/wp-admin

Examples Gallery

Five practical starting points after installing WordPress on your host. Adjust paths and names to match your setup.

Example 1 — Your first blog post (block editor)

In the editor, add a Heading block and a Paragraph block. Sample content:

post content
Welcome to My Site

Hello! This is my first WordPress post.
I can add images, lists, and buttons using blocks.

Click Publish to make it live. WordPress stores the content in the database and renders it with your theme.

Example 2 — Database settings in wp-config.php

During installation, WordPress writes database credentials. A simplified excerpt:

wp-config.php
define( 'DB_NAME', 'my_wordpress_db' );
define( 'DB_USER', 'wp_user' );
define( 'DB_PASSWORD', 'strong_password_here' );
define( 'DB_HOST', 'localhost' );
define( 'DB_CHARSET', 'utf8mb4' );

Never commit real passwords to public repositories. Use strong, unique credentials.

Example 3 — Minimal child theme functions.php

wp-config.php
<?php
// Enqueue parent and child theme styles
add_action( 'wp_enqueue_scripts', function () {
    wp_enqueue_style(
        'parent-style',
        get_template_directory_uri() . '/style.css'
    );
});

Child themes let you customize safely without editing the parent theme (updates would overwrite direct edits).

Example 4 — Simple plugin header

wp-config.php
<?php
/**
 * Plugin Name: Hello CodeToFun
 * Description: Adds a friendly footer message.
 * Version: 1.0
 */

add_action( 'wp_footer', function () {
    echo '<p>Built with WordPress.</p>';
});

Place the file in wp-content/plugins/ and activate it under Plugins in the dashboard.

Example 5 — Install WordPress via WP-CLI (terminal)

WP-CLI
wp core download
wp config create --dbname=wp --dbuser=root --dbpass=secret
wp core install --url=example.local --title="My Site" \
  --admin_user=admin --admin_email=you@example.com

WP-CLI speeds up installs for developers. Hosting one-click installers work better for absolute beginners.

🧠 How WordPress Serves a Page

1

Visitor requests URL

Browser asks the server for a WordPress route (post, page, or archive).

HTTP
2

WordPress bootstraps

PHP loads core, plugins, and parses the request into a main query.

Bootstrap
3

Database & theme

Content is fetched from MySQL; the active theme template renders HTML.

Render
=

Page delivered

HTML, CSS, and JS reach the browser; caching plugins can skip steps 2–3 on repeat views.

Summary

  • WordPress is a free, open-source CMS for blogs, business sites, stores, and more.
  • Co-founded by Matt Mullenweg in 2003; powers 40%+ of the web today.
  • Content lives in a database; themes design and plugins extend features.
  • Beginner-friendly dashboard; deeper customization uses PHP, CSS, and hooks.
  • Next: secure your site with the HTTP to HTTPS guide.

💡 Best Practices

✅ Do

  • Keep WordPress core, themes, and plugins updated
  • Use strong admin passwords and two-factor authentication
  • Back up the database and wp-content regularly
  • Install HTTPS and redirect HTTP to HTTPS
  • Use a child theme for custom CSS and PHP tweaks
  • Install plugins only from trusted sources

❌ Don’t

  • Leave the default admin username on production sites
  • Install dozens of unused plugins (security and speed risk)
  • Edit core WordPress files directly—use plugins or child themes
  • Skip backups before major updates
  • Use nulled (pirated) themes or plugins
  • Expose wp-config.php or database credentials publicly

❓ Frequently Asked Questions

WordPress is a free, open-source content management system (CMS) built with PHP and MySQL/MariaDB. It lets you create and manage websites through a web-based dashboard without writing code for every page.
The WordPress software from WordPress.org is free under the GPL license. You still pay for domain, hosting, and optional premium themes or plugins. WordPress.com offers hosted plans with different pricing tiers.
No for basic sites. You can publish posts, install themes, and add plugins from the dashboard. HTML, CSS, PHP, and JavaScript help when you want deep customization or custom themes.
WordPress.org is self-hosted—you download the software and run it on your own hosting. WordPress.com is a hosted service run by Automattic with plans from free to business. Developers usually mean WordPress.org when they say WordPress.
Yes. The admin dashboard is intuitive, documentation is extensive, and thousands of themes and plugins cover common needs like contact forms, SEO, and e-commerce.
Set up hosting, install WordPress, pick a theme, create pages and posts, then explore plugins, HTTPS, and Google Search Console using the guides in this section.
Did you know?

The name WordPress was suggested by Matt Mullenweg’s friend Christine Selleck Tremoulet—combining “word” (as in publishing words) with the idea of a press. Today the project includes Gutenberg block editing, the REST API, and a plugin ecosystem with tens of thousands of extensions.

Try It Yourself

Install WordPress on local or hosting, publish your first post, and explore the dashboard.

Continue to HTTPS Guide →

About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
  • Focus Full Stack Development, AWS, and Developer Education

I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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