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Accessibility audit using axe-core. Checks WCAG 2.1 compliance, keyboard navigation, ARIA attributes, and color contrast.
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Baseado na classificação ocupacional SOC
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| name | a11y-check |
| description | Accessibility audit using axe-core. Checks WCAG 2.1 compliance, keyboard navigation, ARIA attributes, and color contrast. |
Runs accessibility checks using axe-core engine. Validates WCAG 2.1 AA compliance, keyboard navigation, ARIA usage, and color contrast.
{
"project_dir": "/path/to/project",
"url": "http://localhost:8080",
"pages": ["/", "/about", "/contact"],
"standard": "WCAG21AA",
"checks": ["aria", "color", "keyboard", "structure"]
}
const { AxePuppeteer } = require('@axe-core/puppeteer');
const results = await new AxePuppeteer(page)
.withTags(['wcag2a', 'wcag2aa', 'wcag21aa'])
.analyze();
ARIA:
Color Contrast:
Keyboard:
Structure:
| Impact | Description | WCAG Level |
|---|---|---|
| critical | Blocks users entirely | A |
| serious | Major barriers | A/AA |
| moderate | Difficult to use | AA |
| minor | Annoyances | AAA |
{
"skill": "a11y-check",
"status": "pass|fail|warning",
"standard": "WCAG21AA",
"pages_tested": 3,
"summary": {
"critical": 0,
"serious": 2,
"moderate": 5,
"minor": 8
},
"violations": [
{
"id": "color-contrast",
"impact": "serious",
"description": "Elements must have sufficient color contrast",
"wcag": ["1.4.3"],
"nodes": [
{
"target": ".footer-link",
"html": "<a class=\"footer-link\">Privacy</a>",
"failureSummary": "Element has insufficient color contrast of 2.5:1 (foreground: #888, background: #333). Expected ratio of 4.5:1"
}
],
"fix": "Change text color to #bbb or darker background"
}
],
"passes": 45,
"incomplete": 3,
"errors": [],
"next_action": "proceed|fix"
}
| Criterion | Description | Level |
|---|---|---|
| 1.1.1 | Non-text content has alt text | A |
| 1.3.1 | Info and relationships | A |
| 1.4.3 | Color contrast (4.5:1) | AA |
| 2.1.1 | Keyboard accessible | A |
| 2.4.1 | Bypass blocks (skip links) | A |
| 2.4.4 | Link purpose | A |
| 4.1.1 | Parsing (valid HTML) | A |
| 4.1.2 | Name, role, value | A |
Any critical violations?
YES → status: "fail", next_action: "fix"
Any serious violations?
YES → status: "fail", next_action: "fix"
Only moderate/minor violations?
YES → status: "warning", next_action: "proceed"
No violations?
YES → status: "pass", next_action: "proceed"
Full accessibility audit:
{
"project_dir": "/projects/oxygen_site",
"url": "http://localhost:8080",
"pages": ["/", "/impact", "/about"],
"standard": "WCAG21AA",
"checks": ["aria", "color", "keyboard", "structure"]
}
Quick color contrast check:
{
"project_dir": "/projects/oxygen_site",
"url": "http://localhost:8080",
"pages": ["/"],
"standard": "WCAG21AA",
"checks": ["color"]
}
Keyboard navigation only:
{
"project_dir": "/projects/oxygen_site",
"url": "http://localhost:8080",
"pages": ["/"],
"checks": ["keyboard"]
}