Web Accessibility: How to Build Equal-Opportunity Websites

Accessibility has been a design priority since the birth of the web. Sir Tim Berners-Lee, inventor of the World Wide Web, put it clearly: "the power of the web is in its universality. Access by everyone regardless of disability is an essential aspect."

Two decades later, the web is still failing that test. And in 2026, the failure is getting worse, not better.

What Is Web Accessibility, and Why Does It Matter?

Web accessibility means designing and building websites that can be used by everyone, including people with disabilities, through conformance with the Web Content Accessibility Guidelines (WCAG) 2.2 published by the W3C. The current baseline for most enterprise organizations is WCAG 2.2 Level AA. Three major regulatory frameworks now apply: the European Accessibility Act (EAA), enforced in EU member states since 28 June 2025; the Americans with Disabilities Act, with Title II requiring WCAG 2.1 Level AA for US state and local government sites since April 2024 and Title III driving private-sector litigation; and country-specific laws, including the UK Equality Act and Canada's AODA. 

The Current State of Web Accessibility

Statistics on web accessibility are notoriously inconsistent, but the most reliable annual benchmark comes from WebAIM, which has scanned the top one million home pages every year since 2019.

The 2026 WebAIM Million report found 56,114,377 distinct accessibility errors across the one million home pages studied, an average of 56.1 errors per page. That's a 10.1% increase over 2025, reversing a trend of gradual improvement. 95.9% of home pages had detectable WCAG failures, up from 94.8% in 2025.

The regression has a clear cause: page complexity. Home pages now contain an average of 1,437 elements, a 22.5% increase in a single year. ARIA usage has grown sixfold since 2019. Both correlate strongly with accessibility errors. The most likely drivers are heavy reliance on third-party frameworks and the rise of AI-assisted coding practices, which tend to generate visually impressive interfaces without accessibility guardrails built in.

The more encouraging finding: six error categories account for 96% of all detected failures, and they've been the same six for seven consecutive years:

1. Low contrast text (83.9% of pages).
2. Missing alt text on images (more than half of the pages).
3. Missing form input labels (51%).
4. Empty links.
5. Empty buttons.
6. Missing document language.

These are not obscure edge cases. They are the basics. Which means the highest-leverage accessibility work for most organizations is not exotic, it's disciplined execution on fixable problems.

The Global Legal Landscape of Web Accessibility

Web accessibility has transitioned from a best practice to a mandatory legal requirement across major global markets. Most regulations now center on compliance with WCAG 2.1 Level AA standards.

Key Regulatory Frameworks

Future Outlook

The landscape is dynamic; as international standards evolve, most of these frameworks are expected to transition from WCAG 2.1 to WCAG 2.2 compliance in the near future.

Why Accessibility Is Hard to Sustain

Building an accessible website is not especially difficult. Any competent agency working on a platform like Drupal can deliver a site that meets current WCAG standards at launch.

Maintaining accessibility over time is the real challenge. Once a site is handed to the client, it lives or dies by the content creators, editors, and teams adding pages to it every week. A single uploaded image without alt text, a heading hierarchy broken by a well-meaning editor, a third-party script added to track a campaign, or a framework update that changes ARIA behavior: any of these can push a compliant site back into failure.

This is why 95.9% of home pages fail WCAG today. The initial build is rarely the problem. Continuous governance is.

Enterprise organizations that sustain accessibility share three practices:

1. They treat accessibility as an operating capability, not a project. There's a named owner. There's a budget. There's a recurring review cadence.
2. They instrument continuous monitoring. Automated accessibility scanning runs in CI pipelines for code changes and on rendered content for editorial changes. Manual review happens on a schedule, not only when something breaks.
3. They train editors and authors. The people who add most of a site's content understand how their choices affect accessibility, and they have tools that flag issues before publication.

Without these three, accessibility regresses. Every time.

Vardot's Approach

Everything we build adheres to WCAG 2.2 Level AA and Authoring Tool Accessibility Guidelines (ATAG) 2.0. Because our work starts on Drupal, we start with an accessibility foundation that most competing platforms cannot match. Drupal has treated accessibility as a core commitment through every major version, with accessibility-supporting modules shipped in core since Drupal 8 and continuing through Drupal 10, Drupal 11, and Drupal CMS 2.0.

When we build, we consider a wide range of assistive technologies: screen readers, Braille devices, alternative and on-screen keyboards, word prediction tools, and voice recognition. We implement the Accessible Rich Internet Applications (WAI-ARIA) suite for dynamic content and advanced UI components, where the 2026 WebAIM data confirms most teams are getting it wrong.

Accessibility testing runs at multiple stages of every project: automated scanning integrated into development, manual testing by humans, and assistive-technology validation before launch. Automated testing alone isn't enough. It catches measurable issues but misses the ones that only show up when someone actually tries to use the site. That's why manual testing remains essential.

What Content Editors Own

Technical architecture sets the ceiling for accessibility. Content editors set the floor. The six most common accessibility failures in the WebAIM Million report are all editorial decisions, not development decisions.

Tools and the Drupal Accessibility Ecosystem

A disciplined accessibility practice depends on tooling that runs continuously, not just at audit time.

Varbase and AI-Powered Accessibility

Varbase, Vardot's enterprise distribution built on Drupal CMS 2.0, ships with accessibility configurations pre-set. The default Gin admin theme is WCAG-compliant, Drupal core accessibility modules are enabled out of the box, and editorial workflows are designed to flag accessibility issues before content publishes.

Varbase AI adds an AI capability layer that directly targets the most common accessibility failures at scale:

• Automatic alt text generation produces context-aware alt text on image upload, with bulk update capability for existing media libraries. Given that missing alt text affects more than half of all home pages, this is the highest-leverage automation available.
• AI-powered taxonomy tagging improves content structure and discoverability, which benefits assistive technology users who rely on structured navigation.
• CKEditor 5 AI assistant supports editors writing clearer, more readable content, aligned with WCAG's plain-language and cognitive accessibility criteria.

Make Accessibility a Capability, Not a Compliance Project

Web accessibility is everyone's work: developers, designers, editors, marketers, and leaders setting priorities. It's a non-negotiable for enterprise organizations operating under EAA, ADA, or any of the expanding roster of national frameworks. And the WebAIM 2026 data is a warning that without sustained discipline, the web is getting less accessible, not more.

The organizations that get this right are not the ones that bought the most accessible CMS or ran the most thorough audit. They are the ones that built governance, training, and monitoring into how their organization operates every day.

Frequently Asked Questions