Run FAE : Functional Accessibility Evaluator 2.3
Introduction to WAVE
Tingtun Page Checker - Find Barriers in your Web Page
Asqatasun, webpage analyser for SEO and Accessibility
Website Error Checker: Accessibility & Link Checker - SortSite
HeadingsMap – Get this Extension for 🦊 Firefox (en-US)
Visual ARIA
Visual ARIA – Get this Extension for 🦊 Firefox (en-US)
The W3C Markup Validation Service
WAVE Evaluation Tool
Manual accessibility audit software - Be Inclusive
Web Accessibility Evaluation Tools List
Website Validation | Total Validator
HTML De-crapulator