Major Project
Web Development
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Web Development · Major Project
Website Accessibility Checker
Crawls a site, runs WCAG checks and reports issues with suggested fixes
3-4 weeks build
Overview
Given a starting URL for a site the user owns or may test, a crawler follows same-origin links within a page limit and respects robots.txt. Each page loads in headless Chromium and is checked against WCAG 2.1 rules with axe-core plus custom checks for contrast, alt text and ARIA use. Results are grouped by rule and severity, with the offending element and a suggested fix.
What makes it stand up
- 01Same-origin crawler with depth and page limits that respects robots.txt
- 02Rendered-page checks in headless Chromium, so script-built content is covered
- 03WCAG 2.1 rules via axe-core, mapped to success criteria
- 04Contrast ratio, missing alt text and invalid ARIA flagged per element
- 05Report grouped by severity with selectors, screenshots and fix guidance
Module breakdown
- 01
Crawler
URL frontier, deduplication, limits and robots.txt handling.
- 02
Page runner
Playwright workers that load pages and run the checks.
- 03
Rules
axe-core results plus custom contrast and heading-order checks.
- 04
Reports
Issue grouping, fix suggestions and PDF or CSV export.
- 05
Scan history
Stored scans with a comparison of issues between runs.
After this, you will be able to
- Explain the WCAG contrast formula and the AA thresholds
- Defend what automated checks can and cannot catch
- Demo a scan of a sample site and walk through its report
Technology stack
- Node.js
- Playwright
- axe-core
- React
- PostgreSQL
- Level
- Major Project
- Domain
- Web Development
- Build time
- 3-4 weeks
- Difficulty
You receive
- Complete, commented source code
- 60-90 page project report (IEEE format)
- Editable presentation deck
- Architecture, ER and UML diagrams
- Local setup and deployment guide
- Sample dataset or seed data
- Viva question bank with answers
- One 45-minute walkthrough call
- 30 days of doubt-clearing support