Alt Checker — a one-page tool for quick alt auditing

• Accepts URLs from a list, from CSV, or directly from sitemap.xml
• Scans pages, extracts all, and displays Page / Image / Alt / Status
• Marks and highlights empty alt attributes, has a progress indicator and counters (pages/images/empty/errors)
• Supports CORS-proxy via Cloudflare Worker for checking any websites
• Saves state in the browser (can reload the page and continue)
• Exports results to CSV for sharing with the team/report