What percentage of accessibility issues do automated tools detect?

They catch 20-57%, tops. Rest needs humans.

Is axe-core enough for WCAG compliance ?

Nope — starter pistol, not finish line. Add manual tests.

User testing with disabled folks. Assistive tech audits. Iterate.

A gleaming 90% on your accessibility audit? It's a mirage. Tools like axe-core spot syntax errors, not the subtle barriers that lock out real people.

Open Source Beat Apr 11, 2026 4 min read

Automated accessibility scores detect only 20-57% of issues, creating false compliance illusions. 𝕏
Rely on manual testing and real user sessions — tools are just the baseline. 𝕏
Vendors should cap scores at realistic levels to drive true investment. 𝕏

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Community-driven. Code-first.

#WCAG compliance #a11y testing #a11y tools #accessibility testing #automated testing #automated tools #axe-core #web accessibility

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Originally reported by Dev.to