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Intermediate 14 hours 35 lessons · 9 quizzes Free in beta

Accessibility for Developers: Build Websites Everyone Can Use

Learn to build accessible websites that work for everyone. Master semantic HTML, ARIA, keyboard navigation, screen-reader testing, and WCAG — taught by a blind developer who lives it every day.

GHS 300.00 about US$23 — pay from anywhere with your card

Founding-learner price

Rising to GHS 600.00 — you save GHS 300.00 by enrolling now.

This is our founding price while we welcome our first learners. It goes up as they finish and share their results. Enrol now and it's yours for good — you pay once, and keep the course forever.

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Pay by mobile money (Ghana) or card — including international cards.

Self-paced: learn on your own schedule, with no deadline and no time limit. It's a one-time payment for lifetime access to this course — no monthly subscription. Just pay once for the course you want to learn.

About this course

Most developers build websites that quietly exclude people — not out of malice, but because they were never taught how not to. This course fixes that. You'll learn to build web pages and applications that everyone can use, whatever their ability, device, or situation: people using screen readers, keyboards, magnification, voice control, or simply a broken mouse in bright sunlight.

This is a hands-on specialization, taught by a blind software developer. Throughout, you'll hear how a page actually sounds through a screen reader — the difference between markup that works and markup that shuts people out. You'll master semantic HTML, ARIA (and when not to use it), keyboard and focus management, accessible components, and how to test and audit your own work against WCAG.

Accessibility is a rare, in-demand, well-paid specialization — increasingly required by law and by the organisations developers most want to work for. By the end you'll be able to build accessible interfaces from scratch and audit an existing site, finishing with a real accessibility report you can show an employer or client.

Before you start: this course assumes you can already write HTML, CSS, and basic JavaScript. If you're newer than that, take our Build a Portfolio Website or Full-Stack Web Development: Zero to Job-Ready course first, then come back to specialize.

What you'll learn

  • Build web pages and components that work for screen reader, keyboard, and voice users
  • Write semantic HTML and use ARIA correctly — knowing when not to use it at all
  • Make any interface fully keyboard-operable with correct focus management
  • Test and audit a website with a screen reader, the keyboard, and automated tools
  • Meet WCAG in practice and produce a professional accessibility audit report

Course content

Module 1: Why Accessibility Is Your Advantage 4 lessons + quiz
  1. What Accessibility Really Means 12 min Preview
  2. The Business & Legal Case for Accessibility 14 min
  3. A Day With a Screen Reader 16 min
  4. The Curb-Cut Effect: Better for Everyone 10 min
  5. Quiz: Quiz: Why Accessibility Matters 3 questions
Module 2: Semantic HTML: The Foundation Everyone Skips 5 lessons + quiz
  1. How the Accessibility Tree Is Built 14 min
  2. Headings & Document Structure 16 min
  3. Landmarks: Giving Your Page Regions 14 min
  4. Buttons vs Links vs Divs — the #1 Mistake 16 min
  5. Lists, Tables & Meaningful Structure 16 min
  6. Quiz: Quiz: Semantic HTML 4 questions
Module 3: Text, Images & Media Everyone Can Access 4 lessons + quiz
  1. Alt Text That Actually Helps 16 min
  2. Decorative vs Meaningful Images 12 min
  3. Complex Images, Charts & Long Descriptions 16 min
  4. Accessible Video & Audio 16 min
  5. Quiz: Quiz: Text, Images & Media 3 questions
Module 4: Forms Everyone Can Complete 4 lessons + quiz
  1. Labels Done Right 16 min
  2. Grouping, Required Fields & Help Text 16 min
  3. Accessible Error Handling & Validation 18 min
  4. Accessible Form Patterns 14 min
  5. Quiz: Quiz: Accessible Forms 3 questions
Module 5: Keyboard & Focus: The Thing Nobody Tests 4 lessons + quiz
  1. Everything Must Work Without a Mouse 14 min
  2. Focus Order & the Tab Sequence 16 min
  3. Visible Focus: Never Remove the Outline 14 min
  4. Managing Focus: Skip Links & Focus Traps 18 min
  5. Quiz: Quiz: Keyboard & Focus 3 questions
Module 6: ARIA: Power and Peril 4 lessons + quiz
  1. What ARIA Is and How It Works 16 min
  2. The First Rule of ARIA: Don't Use ARIA 14 min
  3. Roles, States & Properties 18 min
  4. Live Regions & Common ARIA Mistakes 18 min
  5. Quiz: Quiz: ARIA 3 questions
Module 7: Building Accessible Components 5 lessons + quiz
  1. Accessible Modals & Dialogs 20 min
  2. Menus & Navigation 18 min
  3. Tabs, Accordions & Disclosure 20 min
  4. Tooltips, Toasts & Notifications 16 min
  5. Component Capstone: Build & Test One End-to-End 22 min
  6. Quiz: Quiz: Accessible Components 3 questions
Module 8: Testing, Auditing & WCAG in the Real World 5 lessons + quiz
  1. Manual Testing: The Keyboard & Screen-Reader Walkthrough 18 min
  2. Automated Tools: axe, Lighthouse & Their Limits 16 min
  3. Colour Contrast & Visual Accessibility 16 min
  4. Reading WCAG Without Drowning 16 min
  5. Capstone: Audit a Real Page & Write the Report 24 min
  6. Quiz: Quiz: Testing, Auditing & WCAG 3 questions

End-of-course assessment

  1. Final Assessment: Accessibility for Developers 12 questions · required for the certificate

Your certificate is issued once every lesson is complete and every module quiz and this assessment are passed.

Course discussion

The discussion opens up once you enrol.