How to Build Your Own aChecker
Replace aChecker with a custom build. Free Web Accessibility Checker – WCAG Audit
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 21 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 21 features
Compliance(7 features)
Assists with federal Accessible Canada Act requirements
Helps meet Americans with Disabilities Act requirements and Section 508 standards
Helps meet Accessibility for Ontarians with Disabilities Act standards
Assists with Disability Discrimination Act 1992 and WCAG 2.1 AA requirements
Assists with European Union Web Accessibility Directive standards
+2 more in this category
Error Detection(6 features)
Identifies missing alternative text (alt text) for images
Identifies insufficient color contrast between text and background
Detects missing form input labels and programmatic associations
Checks for incorrect heading structure and missing page landmarks
Detects links or buttons without a clear purpose
+1 more in this category
Reporting(2 features)
Presents issues in a prioritized list to help users know where to start remediation
Option to include warnings in addition to errors in the accessibility report
Analytics(1 features)
Re-scan anytime to track accessibility improvements over time
Configuration(1 features)
Allows users to select between Level A, Level AA, or Level AAA compliance targets
Privacy & Security(1 features)
Scans are performed anonymously with no URL or result storage
Remediation Guidance(1 features)
Provides prioritized list of high-impact fixes including form labels, page titles, color contrast, and keyboard navigation
Scoring & Analytics(1 features)
Generates an Accessibility Score from 0 to 100 reflecting issues tied to Canadian and global standards
Cost Calculator
Pricing data not available for aChecker. Check their website for current pricing.