Web Accessibility: A Beginners Guide

Kimberly Springs

Jeffrey Rodgers

September 02 10 min read

Digital accessibility might seem like a complex topic, but it’s really about something simple and powerful: making sure everyone can use your website, regardless of their abilities. If you’re new to accessibility, WCAG guidelines, or ADA compliance, you’re in the right place. Let’s break down everything you need to know to get started on your accessibility journey.

What Is Digital Accessibility?

Digital accessibility is the practice of designing and developing websites, mobile apps, and digital content so that people with disabilities can navigate, understand, and interact with them effectively. Think of it as the digital equivalent of wheelchair ramps, automatic doors, and accessible parking spaces in the physical world.

When we talk about accessibility, we’re considering users who might experience:

  • Vision loss or low vision
  • Hearing loss or deafness
  • Motor disabilities affecting hand or arm movement
  • Cognitive differences that impact how they process information
  • Temporary impairments like a broken arm or eye strain

The beautiful thing about accessibility is that when you design for people with disabilities, you often improve the experience for everyone. Captions help people watching videos in noisy environments, high contrast colors make text easier to read in bright sunlight, and clear navigation benefits users who are multitasking or distracted.

Understanding WCAG: Your Roadmap to Accessibility

The Web Content Accessibility Guidelines, or WCAG (pronounced “WEE-cag”), serve as the international standard for web accessibility. Created by the World Wide Web Consortium (W3C), these guidelines provide a comprehensive framework for making digital content accessible to people with disabilities.

WCAG is built on four fundamental principles, remembered by the acronym POUR:

Perceivable: Information must be presented in ways users can perceive, whether they’re using their eyes, ears, or touch. This means providing text alternatives for images, captions for videos, and ensuring sufficient color contrast.

Operable: Users must be able to operate interface components and navigation. This includes making all functionality available via keyboard, giving users enough time to read content, and avoiding content that causes seizures.

Understandable: Information and user interface operation must be understandable. This means making text readable, making content appear and operate in predictable ways, and helping users avoid and correct mistakes.

Robust: Content must be robust enough to be interpreted reliably by a wide variety of assistive technologies. This ensures your content works across different browsers, devices, and accessibility tools.

WCAG Conformance Levels

WCAG organizes accessibility requirements into three levels of conformance:

  • Level A: The minimum level of accessibility. Meeting Level A requirements removes the most significant barriers but doesn’t guarantee full accessibility.
  • Level AA: The standard most organizations aim for. Level AA provides a good balance of accessibility improvement without overly constraining design choices.
  • Level AAA: The highest level, typically reserved for specialized content or situations where maximum accessibility is critical.

Most businesses and organizations target WCAG 2.2 Level AA conformance, as it addresses the majority of accessibility barriers while remaining practical to implement.

ADA Compliance and Your Digital Presence

The Americans with Disabilities Act (ADA) was groundbreaking legislation passed in 1990 to ensure equal access for people with disabilities. While the ADA didn’t initially address digital accessibility explicitly, courts and regulatory bodies increasingly recognize that websites and digital platforms fall under ADA requirements.

Here’s what you need to know about ADA compliance for your digital properties:

Title III of the ADA applies to places of public accommodation, which courts have interpreted to include websites that serve the public. This affects businesses like restaurants, retailers, healthcare providers, and service companies.

Section 508 is a separate federal law that requires government agencies and their contractors to make electronic and information technology accessible. If your business works with federal agencies, Section 508 compliance becomes particularly important.

The key point for business owners is this: ADA compliance isn’t about checking boxes or avoiding lawsuits. It’s about ensuring your digital presence welcomes all potential customers and users. When you make your website accessible, you’re opening your business to a broader audience and demonstrating that you value inclusivity.

The Business Case for Digital Accessibility

Beyond legal compliance, accessibility makes excellent business sense. The disability market represents significant economic power, with the global disability market estimated to control over $13 trillion in annual disposable income. In the United States alone, people with disabilities represent a market segment of over 61 million people.

But the benefits extend far beyond market reach:

Improved SEO Performance: Many accessibility best practices align with search engine optimization. Alt text for images, proper heading structure, and descriptive link text all help search engines understand and rank your content better.

Enhanced User Experience: Accessible design principles benefit all users. Clear navigation, readable fonts, and logical page structure make your website more enjoyable for everyone.

Reduced Development Costs: Building accessibility into your development process from the beginning costs significantly less than retrofitting inaccessible websites later.

Brand Reputation: Companies known for accessibility leadership often enjoy stronger brand loyalty and positive public perception.

Risk Management: While we won’t focus on fear tactics, proactive accessibility does help minimize legal risks and potential disruptions to your business.

Essential Accessibility Features Every Website Needs

Let’s explore the practical elements that make websites accessible. These features address the most common barriers people with disabilities encounter online:

Alternative Text for Images

Alt text provides text descriptions of images that screen readers can announce to users who can’t see them. Every meaningful image on your website should have descriptive alt text that conveys the image’s purpose and content.

Good alt text: “Woman using a laptop while sitting in a wheelchair at a standing desk” Poor alt text: “Image123.jpg” or “Woman with laptop”

Keyboard Navigation

Not everyone can use a mouse or touchscreen. Your website must be fully navigable using only a keyboard, typically through the Tab key to move between interactive elements and Enter or Space to activate them.

Color Contrast

Text must have sufficient contrast against background colors to ensure readability for users with visual impairments. WCAG requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text at Level AA.

Descriptive Headings and Structure

Proper heading structure (H1, H2, H3, etc.) helps screen reader users navigate your content efficiently. Headings should be descriptive and create a logical hierarchy of information.

Video Captions and Audio Transcripts

Multimedia content needs text alternatives. Videos require accurate captions, and audio content should include transcripts. This helps users who are deaf or hard of hearing, but also benefits anyone in sound-sensitive environments.

Form Labels and Error Messages

All form fields need clear, descriptive labels, and error messages should specifically explain what went wrong and how to fix it. This helps users with cognitive disabilities and makes forms more user-friendly for everyone.

Conducting Your First Accessibility Audit

An accessibility audit is a systematic review of your website to identify barriers that might prevent people with disabilities from using it effectively. While comprehensive audits require expertise, you can start with basic checks:

Automated Testing: Tools like WAVE, axe DevTools, or Lighthouse can quickly identify many common accessibility issues. However, automated testing only catches about 25-30% of accessibility problems.

Manual Testing: Try navigating your site using only your keyboard. Check color contrast, review your alt text, and ensure your content makes sense when read aloud.

User Testing: The most valuable insights come from people who actually use assistive technologies. Consider working with disability organizations or accessibility consultants who can provide authentic user feedback.

Remember that an audit is just the beginning. The goal is to identify issues so you can prioritize and fix them systematically.

Common Accessibility Myths Debunked

Myth: “Accessibility is too expensive and complicated.” Reality: Building accessibility into your process from the start adds minimal cost, and the business benefits far outweigh the investment.

Myth: “Accessible websites have to look boring or outdated.” Reality: Accessibility and great design work beautifully together. Many award-winning websites are fully accessible.

Myth: “We can just add an accessibility overlay widget.” Reality: Overlay widgets don’t provide real accessibility and may actually create additional barriers. They’re not a substitute for proper accessible design.

Myth: “Only a small number of people need accessibility features.” Reality: Accessibility features benefit many more people than those with permanent disabilities. Consider people with temporary injuries, situational limitations, or age-related changes.

Building Your Accessibility Strategy

Creating an effective accessibility strategy doesn’t have to be overwhelming. Here’s a practical approach for beginners:

Start with Assessment: Understand where you are now. Conduct a basic audit of your current website to identify the most significant issues.

Set Realistic Goals: Aim for WCAG 2.1 Level AA conformance as your target. This provides meaningful accessibility improvement without being overly restrictive.

Prioritize High-Impact Fixes: Focus first on issues that affect the most users or create the biggest barriers. Missing alt text, poor color contrast, and keyboard navigation problems are good starting points.

Involve Your Team: Accessibility works best when everyone understands their role. Provide basic accessibility training for designers, developers, content creators, and decision-makers.

Plan for Maintenance: Accessibility isn’t a one-time project. New content, design changes, and software updates can introduce new barriers, so build ongoing accessibility checks into your workflow.

Consider Professional Help: While you can make significant progress on your own, working with accessibility experts can accelerate your progress and help you avoid common pitfalls.

The Role of Professional Accessibility Services

Many businesses find that working with accessibility professionals provides the most effective path to compliance and usability. Professional services can include:

Expert Auditing: Comprehensive reviews that combine automated testing, manual evaluation, and user testing with assistive technologies.

Remediation Support: Hands-on assistance with fixing identified issues, often working directly with your development team.

Training and Education: Helping your team build accessibility skills and integrate accessibility into existing workflows.

Ongoing Monitoring: Regular checks to ensure your website maintains accessibility as you add new content and features.

The traditional approach to accessibility often follows an “audit and report” model, where companies receive lengthy lists of issues but limited guidance on how to fix them. More progressive approaches, like Accessiblü’s managed accessibility ops model, provide ongoing support and simultaneous identification and remediation of issues.

Taking Your Next Steps

Starting your accessibility journey doesn’t require perfect knowledge or unlimited resources. Begin with these practical next steps:

  1. Learn the Basics: Familiarize yourself with WCAG guidelines and basic accessibility principles.

  2. Assess Your Current State: Use automated tools and manual checks to understand your website’s current accessibility level.

  3. Fix the Obvious Issues: Start with clear problems like missing alt text, poor contrast, or keyboard navigation barriers.

  4. Build Accessibility into Your Process: Make accessibility part of your regular design and development workflow.

  5. Get Expert Guidance: Consider working with accessibility professionals who can help you move faster and avoid common mistakes.

Digital accessibility represents an opportunity to build a more inclusive web that works for everyone. By understanding WCAG guidelines, ADA requirements, and the practical steps involved in creating accessible websites, you’re taking an important step toward making the internet more welcoming and usable for all.

Remember, perfect accessibility is less important than consistent progress. Every improvement you make helps real people accomplish their goals more easily. That’s a worthy investment in your business and your community.

Whether you’re just beginning to learn about accessibility or ready to make serious improvements to your website, the key is to start somewhere and keep moving forward. Your users—all of them—will appreciate the effort.