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Updated this quarter
Last updated: September 18, 2026
Quick Answer: Automate accessibility testing by installing @axe-core/playwright, running axe.analyze() on each page, and asserting zero violations. This catches WCAG 2.1 AA issues automatically.
Install Axe-Core with Playwright
npm install @axe-core/playwright
Write an Accessibility Test
import { test, expect } from '@playwright/test';
import AxeBuilder from '@axe-core/playwright';
test('homepage should have no accessibility violations', async ({ page }) => {
await page.goto('https://example.com');
const results = await new AxeBuilder({ page })
.withTags(['wcag2a', 'wcag2aa', 'wcag21a', 'wcag21aa'])
.analyze();
expect(results.violations).toEqual([]);
});
Common Accessibility Violations
Violation
Impact
Fix
Missing alt text
Screen readers cannot describe images
Add descriptive alt attributes
Low color contrast
Low-vision users cannot read
Use ratio >= 4.5:1
Missing form labels
Screen readers cannot identify inputs
Add label or aria-label
Missing heading hierarchy
Cannot navigate structure
Use H1-H3 in order
Training Resources
Master Playwright with SkilBrill Playwright Training .
FAQ
Can axe-core catch all accessibility issues?
Axe-core catches ~57% of WCAG issues. The rest require manual testing for keyboard navigation and screen reader quality.
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September 18, 2026
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1 min read