Digital Accessibility Knowledge Base & Developer Guides

WCAG 2.2 Standard 8 min read

WCAG 2.2 Target Size Minimum (2.5.8): Complete Touch Target Guide for Developers

A developer guide to satisfying the 24x24 CSS pixel bounding box rule, understanding inline text exceptions, and preventing mobile touch target overlap.

Target: wcag target size minimum 24px checker Read Developer Guide →

Frontend Engineering 7 min read

Designing WCAG 2.2 Compliant Focus Rings: Tailwind CSS and Native Focus Guide

Step-by-step code patterns for :focus-visible styling, Tailwind ring-offset contrast rules, 2px outline thickness, and multi-layer keyboard rings.

Target: tailwind focus visible outline ring wcag 2.2 checklist Read Code Guide →

Authentication & UX 9 min read

Accessible Authentication Guide: Eliminating Cognitive Function Tests in Logins

Technical guidelines for removing cognitive function tests, supporting password managers, magic links, and deploying WebAuthn passkeys.

Target: wcag 2.2 accessible authentication cognitive function test 3.3.8 Explore Auth Guide →

Forms & Checkout 6 min read

WCAG 2.2 Redundant Entry: Streamlining Multi-Step Forms and Checkout Flows

How to avoid redundant data entry across multi-step checkout and application forms with automatic population, session storage, and checkbox consent.

Target: wcag 2.2 redundant entry success criterion 3.3.7 Review Form Patterns →

Interactive Components 8 min read

Accessible Drag-and-Drop: Implementing Single-Pointer Fallbacks for WCAG 2.2

Engineering accessible alternatives for drag-and-drop boards, sliders, and reorderable lists using keyboard shortcuts and single-click buttons.

Target: wcag 2.2 dragging movements alternative 2.5.7 Implement Fallbacks →

Compliance Roadmap 10 min read

WCAG 2.1 vs 2.2 Differences Matrix: Complete Developer Migration Checklist

Side-by-side comparison of all 9 new WCAG 2.2 criteria, the removal of 4.1.1 Parsing, and an actionable audit checklist for development teams.

Target: wcag 2.1 vs 2.2 differences checklist for developers View Migration Matrix →

Legal Defense 11 min read

NY Federal Court ADA Website Lawsuits: The SDNY Defense Playbook for 2025

Analysis of Southern District of New York filings, serial plaintiff tactics, jurisdictional defenses, mootness standards, and technical defense evidence.

Target: new york federal court ada website accessibility cases Read Defense Playbook →

Government Regulations 9 min read

DOJ Title II Web Accessibility Rule: Compliance Deadlines and Technical Standards

Detailed roadmap of the DOJ Title II Final Rule governing public sector websites and apps, statutory deadlines (2026/2027), and technical audit protocols.

Target: department of justice web rule Review Deadlines →

Litigation Triage 10 min read

How to Respond to an ADA Website Demand Letter: Technical Triage and Safe Harbors

Immediate 72-hour response playbook: identifying automated false positives, technical barrier verification, engaging defense counsel, and voluntary compliance plans.

Target: ada demand letter triage Follow Triage Steps →

Risk Management 9 min read

Why Accessibility Widgets Fail in Court: Federal Precedents and Legal Risks

Legal analysis of federal court decisions rejecting automated widget plugins, screen reader interference testimony, and why native code remediation is required.

Target: accessibility overlay lawsuits legal risk Examine Legal Evidence →

European Union 10 min read

European Accessibility Act (EAA) 2025: Compliance Checklist for US and Global Tech

The June 28, 2025 countdown: what US and global software companies, online retailers, and financial services must implement to avoid EU member state penalties.

Target: european accessibility act compliance Check EAA Mandates →

EU Technical Standards 8 min read

EN 301 549 Explained: How European Digital Accessibility Standards Differ from WCAG

How EN 301 549 maps to and extends beyond WCAG 2.1 Level AA, including software, non-web documents, two-way voice communications, and biometrics.

Target: en 301 549 testing Read EN 301 549 Guide →

Canadian Compliance 8 min read

AODA and Accessible Canada Act: Canadian Web Accessibility Compliance Guide

Overview of Ontario Regulation 191/11, filing compliance reports with the Ministry for Seniors and Accessibility, penalties up to $100k/day, and federal ACA mandates.

Target: aoda compliance audit View Canada Standards →

Federal Procurement 11 min read

How to Complete a VPAT 2.5: The Authoritative Guide to Writing Federal ACRs

Step-by-step guidance on authoring an Accessibility Conformance Report (ACR), selecting the right VPAT edition, writing defensible remarks, and supporting statements.

Target: vpat 2.5 edition 508 accessibility template Master VPAT Authoring →

Higher Education 9 min read

HECVAT Accessibility Review: Passing Higher Ed Procurement for EdTech Vendors

Navigating the accessibility section of HECVAT, Section 508 and WCAG 2.1 AA verification, LMS integrations, and avoiding Office for Civil Rights (OCR) settlements.

Target: hecvat higher education accessibility review Review EdTech Criteria →

Government Auditing 10 min read

Trusted Tester v5.1 Methodology: The Federal Standard for Section 508 Auditing

The Department of Homeland Security (DHS) Trusted Tester process: code-inspection test conditions, test cases, and reproducible federal conformance scoring.

Target: trusted tester v5 508 testing methodology Learn Testing Protocol →

DevOps & CI/CD 9 min read

Automated Accessibility with Playwright and Axe-Core: Production CI/CD Setup

Production TypeScript configuration, scanning dynamic React/Next.js/Vue apps, handling iframe boundaries, filtering false positives, and blocking pull requests.

Target: playwright axe core typescript testing setup Setup CI/CD Pipeline →

Command Line Tools 7 min read

Pa11y CLI Guide: Automated Sitewide Accessibility Scanning via Terminal and Cron

Configuration files (.pa11yci), sitemap spidering, threshold scoring, headless Chrome flags, and scheduled cron automation for DevOps teams.

Target: pa11y automated accessibility cli scanner Configure CLI Sweeps →

Testing Realities 8 min read

Why a 100 Lighthouse Accessibility Score Does Not Protect You From ADA Lawsuits

What Lighthouse catches (~25-35% of WCAG criteria) vs what it completely misses: keyboard traps, reading order, screen reader context, and dynamic ARIA states.

Target: lighthouse accessibility score 100 checklist Understand Limits →

Design Systems 8 min read

Figma Accessibility Tokens: Building Contrast-Safe WCAG 2.2 Design Systems

Setting up WCAG 2.2 APCA / 4.5:1 / 3:1 color variables in Figma, automated design linter plugins, non-text contrast checks, and dark mode token pairs.

Target: figma contrast plugin wcag 2.2 tokens Design Compliant Tokens →

Assistive Technology 10 min read

Screen Reader Testing Guide for Developers: NVDA, JAWS and VoiceOver Workflows

Essential keyboard hotkeys, virtual cursor modes, table inspection, rotor navigation, landmark skipping, and verifying dynamic aria-live regions.

Target: manual screen reader testing jaws nvda voiceover Master Testing Hotkeys →

Document Accessibility 9 min read

PAC 2024 PDF Accessibility Guide: Remediating PDF/UA and ISO 14289 Violations

Using the PDF Accessibility Checker (PAC 2024), debugging Matterhorn Protocol failures, Acrobat Pro reading order tree repair, and table header scope tags.

Target: pdf accessibility remediation tool pac 2024 Remediate PDFs →

E-Commerce 9 min read

Shopify ADA Compliance Guide: Making Themes, Apps and Checkout Accessible

Dawn theme optimizations, keyboard-accessible swatch pickers, slide-out drawer cart focus trapping, Shopify Checkout Extensibility compliance, and app vetting.

Target: shopify store ada compliance Audit Shopify Store →

CMS Engineering 9 min read

WordPress Accessibility Best Practices: Building WCAG 2.2 Themes and Blocks

Native skip links, Gutenberg custom block accessibility with React ARIA attributes, Accessible Gravity/CF7 forms, and preventing menu focus traps.

Target: wordpress accessibility audit Harden WordPress Theme →