Deque's Axe Core

It is the default as it has avoided false positives:

https://github.com/dequelabs/axe-core

Microsoft's Accessibility Insights

Axe + Keyboard Tracking + Manual Testing

https://accessibilityinsights.io

Just a keyboard

It is as easy as it sounds. Try just using Tab or Shift-tab to move between your content.

https://www.a11y-collective.com/blog/keyboard-navigation/

DPG: Oobee

Multi-page axe scans from Government Technology Agency of Singapore (GovTech Singapore)

https://github.com/GovTechSG/oobee

CI/CD Tools

@axe-core/playwright is a solid start

https://www.qamadness.com/a-you-oriented-guide-to-axe-core-playwright-accessibility-testing/

AI — ACCESSIBILITY.md

More code is produced with AI, and it is important for us to make it clear that accessibility matters.

• https://mgifford.github.io/ACCESSIBILITY.md
• https://github.com/mgifford/accessibility-skills

People with disabilities

Guidelines and best practices are nice, but what matters most is the users. Don't forget to involve people with disabilities in the process from the start.

https://www.section508.gov/test/usability-testing-with-people-with-disabilities/