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Web Accessibility Academy

HTMLFrontendWebEnterprise

Build inclusive websites everyone can use. Master semantic HTML, ARIA, keyboard and screen-reader support, and WCAG 2.2 conformance.

🤖 AI-Powered📚 30 courses👥 100,000+ learners⭐ 4.9 rating
Course Overview

Web Accessibility (a11y): Build for Everyone

Build inclusive websites everyone can use. Master semantic HTML, ARIA, keyboard and screen-reader support, and WCAG 2.2 conformance. This track covers 30 progressive mini-courses from absolute beginner (A1) through advanced (B2), with short focused lessons and quick quizzes to lock in each concept.

What You Will Learn

You start with the fundamentals and build up through intermediate and advanced topics, each course building on the last. Every lesson is practical and bite-sized, with a 24/7 AI tutor available when you need help.

How It Works

Each course is broken into four focused, bite-sized lessons. Complete a few lessons a day and you will master the full track in weeks, not months.

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How You'll Learn

🎯
Interactive Lessons
Hands-on coding exercises with real-time feedback
🤖
AI Tutor
Get instant help from our AI when you're stuck
💻
Built-in Editor
Write and run code directly in your browser
🏆
Certificate
Earn a certificate when you complete the course
Curriculum

30 Courses

Every course in the Web Accessibility Academy learning path.

01

Why Accessibility Matters: Real People, Real Barriers

A14 lessons

Explain who accessibility helps and the business and ethical case for building inclusively.

02

Your First Accessible Page: The POUR Mindset

A14 lessons

Apply the four WCAG principles to judge whether any page is accessible.

03

Semantic HTML: Let the Browser Do the Work

A14 lessonsPRO

Choose meaningful elements so the page is accessible before you add a single attribute.

04

Headings & Document Structure Done Right

A14 lessonsPRO

Build a logical heading outline screen reader users can navigate by.

05

Landmarks: Mapping the Page for Screen Readers

A14 lessonsPRO

Use landmark regions so users can jump straight to the part they need.

06

Alt Text That Actually Describes Images

A24 lessonsPRO

Write image alternatives that convey meaning instead of clutter.

07

Links vs Buttons: Stop Confusing Them

A24 lessonsPRO

Pick the right interactive element so behavior and semantics match.

08

Accessible Forms: Labels Users Can Trust

A24 lessonsPRO

Build forms where every control is named and easy to operate.

09

Color & Contrast: Make Text Readable

A24 lessonsPRO

Ensure text and UI stand out enough for low-vision and color-blind users.

10

Keyboard Navigation: No Mouse Required

A24 lessonsPRO

Make every interaction reachable and visible using only the keyboard.

11

ARIA Foundations: Roles, States & Properties

B14 lessonsPRO

Use ARIA correctly to add meaning native HTML cannot express.

12

Accessible Names & Descriptions

B14 lessonsPRO

Control exactly what assistive tech announces for any element.

13

Focus Management & Focus Order

B14 lessonsPRO

Move and contain focus so dynamic interfaces stay usable.

14

Skip Links & Bypass Blocks

B14 lessonsPRO

Let keyboard users jump past repeated content to what matters.

15

Accessible Form Validation & Errors

B14 lessonsPRO

Report form errors so every user can find and fix them.

16

Accessible Data Tables

B14 lessonsPRO

Mark up tables so the relationship between cells and headers is clear.

17

Accessible SVG, Icons & Decorative Graphics

B14 lessonsPRO

Expose meaningful graphics and hide purely decorative ones.

18

Accessible Modals & Dialogs

B14 lessonsPRO

Build dialogs that trap focus, close cleanly, and announce themselves.

19

Building Accessible Tabs & Accordions

B14 lessonsPRO

Implement common disclosure widgets with correct ARIA and keys.

20

Screen Reader Testing: NVDA & VoiceOver

B14 lessonsPRO

Test your own work the way blind users actually experience it.

21

WCAG 2.2 AA: Conformance That Holds Up

B24 lessonsPRO

Map real success criteria to concrete fixes for an AA-compliant site.

22

Accessibility in React & SPAs

B24 lessonsPRO

Keep single-page apps accessible despite client-side routing and re-renders.

23

ARIA Live Regions: Announce the Dynamic

B24 lessonsPRO

Notify screen reader users of changes that happen without a reload.

24

The ARIA Authoring Practices for Complex Widgets

B24 lessonsPRO

Build robust custom widgets by following proven APG patterns.

25

Reduced Motion & Safe Animation

B24 lessonsPRO

Respect motion preferences and avoid triggering discomfort or seizures.

26

Accessible Data Visualization

B24 lessonsPRO

Make charts and graphs perceivable beyond color and shape.

27

Automated Testing: axe, Lighthouse & Playwright

B24 lessonsPRO

Catch a class of accessibility bugs automatically in your pipeline.

28

Manual Audits & Remediation

B24 lessonsPRO

Run a structured manual audit and prioritize the fixes that matter.

29

The Legal Landscape: ADA, EN 301 549 & More

B24 lessonsPRO

Understand the laws and standards that put accessibility on the roadmap.

30

Building an Accessibility Culture & Checklist

B24 lessonsPRO

Embed accessibility into your team so it survives beyond one project.

FAQ

Frequently Asked Questions

Is the Web Accessibility Academy course free?

Yes. You can start the Web Accessibility Academy course for free and complete its interactive lessons at no cost. An optional PRO subscription unlocks advanced AI tools and a shareable certificate.

Do I need prior experience to learn HTML?

No. The course begins with the fundamentals and gradually moves to more advanced topics, so you can start even with no prior HTML experience.

How will I learn HTML on CoddyKit?

You learn by doing. Short interactive lessons pair a clear explanation with a hands-on coding exercise that runs in real time, and a 24/7 AI tutor gives personalized help whenever you get stuck.

Do I get a certificate for completing Web Accessibility Academy?

Yes. PRO learners can take an exam and earn a shareable certificate of completion with a verifiable code for the Web Accessibility Academy course.

Can I learn HTML on my phone?

Yes. CoddyKit is available on the web and as native iOS and Android apps, so you can learn HTML on any device and your progress syncs across them.

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