Lighthouse SEO Audit Tool

Audit checklist

□ Every indexable page has a unique title and meta description.

□ Canonical URLs are absolute and correct.

□ Robots.txt and sitemap are reachable.

□ Images have dimensions, alt text, and optimized formats.

□ Structured data validates without errors.

□ Pages pass mobile viewport and tap target checks.

□ LCP image is optimized and preloaded when appropriate.

□ JavaScript and image budgets do not regress.

module.exports = {
  ci: {
    collect: {
      url: [
      "http://localhost:3000/",
      "http://localhost:3000/tools",
      "http://localhost:3000/blog/best-ai-coding-tools-2026"
],
      numberOfRuns: 3
    },
    assert: {
      assertions: {
        "categories:seo": ["error", { minScore: 0.95 }],
        "categories:performance": ["warn", { minScore: 0.75 }],
        "categories:accessibility": ["warn", { minScore: 0.9 }],
        "uses-responsive-images": "warn",
        "image-size-responsive": "warn",
        "document-title": "error",
        "meta-description": "error",
        "canonical": "warn",
        "robots-txt": "warn"
      }
    },
    upload: {
      target: "temporary-public-storage"
    }
  }
};