Pricing

Pay per usage

Website Accessibility (WCAG) Scanner

Scan websites for WCAG (Web Content Accessibility Guidelines) compliance issues. Checks images, forms, headings, links, iframes, tables, ARIA roles, and more for accessibility violations.

Pricing

Pay per usage

Rating

0.0

(0)

Developer

Richard P

Actor stats

Bookmarked

Total users

Monthly active users

2 days ago

Last modified

Features

10+ WCAG compliance checks covering:
- Images: Missing or non-descriptive alt text (WCAG 1.1.1)
- Forms: Inputs without accessible labels (WCAG 1.3.1)
- Page Language: Missing lang attribute on <html> (WCAG 3.1.1)
- Heading Hierarchy: Skipped heading levels (WCAG 1.3.1)
- Links: Empty or vague link text (WCAG 2.4.4)
- iFrames: Missing or insufficient title attributes (WCAG 4.1.2)
- Tables: Missing headers or captions (WCAG 1.3.1)
- Media: Missing captions/transcripts (WCAG 1.2.2)
- ARIA Roles: Invalid or misspelled ARIA roles (WCAG 4.1.2)
- Color Contrast: Informational note (requires visual testing)
Severity classification: Each issue is tagged as critical, warning, or info
Accessibility scoring: Each page receives a percentage score (0–100)
Multi-page crawling: Automatically discovers and scans internal links
WCAG conformance levels: Target A, AA, or AAA
Structured JSON output: Each issue includes type, severity, WCAG criterion reference, element snippet, and remediation recommendation
Webhook notifications: Receive scan results via POST webhook

Input

Field	Type	Required	Default	Description
`urls`	`array[string]`	✅	—	One or more URLs to scan
`level`	`string`	❌	`"AA"`	WCAG conformance level (`"A"`, `"AA"`, `"AAA"`)
`maxPages`	`int`	❌	`10`	Max pages to scan per seed URL (crawls internal links)
`webhookUrl`	`string`	❌	—	URL for POST notification on scan completion

Output

Each page scan produces a dataset record with:

Field	Type	Description
`timestamp`	`string`	ISO 8601 scan timestamp
`url`	`string`	Scanned URL
`totalIssues`	`int`	Total issues found (all severities)
`criticalIssues`	`int`	Count of critical-severity issues
`score`	`number`	Accessibility score (0–100)
`issues`	`array`	Array of individual issue objects

Each issue object contains:

Field	Description
`type`	Machine-readable issue identifier
`severity`	`critical`, `warning`, or `info`
`element`	HTML snippet of the affected element
`wcagCriterion`	WCAG criterion reference (e.g., `"1.1.1"`)
`recommendation`	Human-readable remediation advice

A final summary record is appended with aggregate statistics across all scanned pages.

Quick Start (Local)

# Install dependencies
python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

# Run locally (requires Apify API token)
apify run --purge

# Or set explicit input
echo '{"urls":["https://example.com"],"level":"AA","maxPages":5}' > INPUT.json
apify run --purge

Deploy to Apify

apify login
apify push

Example Output

{
  "timestamp": "2026-07-04T12:00:00.000000+00:00",
  "url": "https://example.com",
  "totalIssues": 3,
  "criticalIssues": 2,
  "score": 57.1,
  "issues": [
    {
      "type": "missing_alt",
      "severity": "critical",
      "element": "<img src=\"logo.png\"/>",
      "wcagCriterion": "1.1.1",
      "recommendation": "Add an alt attribute..."
    },
    {
      "type": "missing_lang",
      "severity": "warning",
      "element": "<html>",
      "wcagCriterion": "3.1.1",
      "recommendation": "Add a lang attribute..."
    }
  ]
}

WCAG Criteria Checked

Criterion	Description	Severity if Violated
1.1.1	Non-text Content	Critical
1.2.2	Captions (Prerecorded)	Info
1.3.1	Info and Relationships	Critical/Warning
1.4.3	Contrast (Minimum)	Info (not checkable server-side)
2.4.4	Link Purpose (In Context)	Critical/Warning
3.1.1	Language of Page	Warning
4.1.2	Name, Role, Value	Warning

Limitations

Color contrast cannot be checked server-side — use browser-based tools (axe DevTools, Lighthouse, Wave) for visual contrast analysis
Dynamic content rendered by JavaScript may not be fully captured — consider a headless browser for Single Page Applications
Server-side checks are a first pass — they catch common issues but don't replace manual accessibility auditing

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