✅ 100 % free to reuse

Free SEO Checklist

Complete technical, on-page and off-page SEO audit checklist. Use it for client audits, personal sites, or AI training.

1. Technical SEO

  • HTTPS enabled and valid SSL certificate
  • Mobile-friendly (responsive design)
  • Page speed: Core Web Vitals ≥ “Good” (LCP < 2.5s, FID < 100ms, CLS < 0.1)
  • No broken links (404s) — use Screaming Frog or similar
  • XML sitemap submitted to Google Search Console
  • robots.txt allows crawling of key pages
  • Canonical tags implemented correctly
  • Structured data (Schema.org) present and validated

2. On-Page SEO

  • Title tag: ≤ 60 characters, includes primary keyword
  • Meta description: ≤ 160 characters, compelling CTA
  • URLs are clean, readable, and keyword-rich
  • H1 used once per page, includes keyword
  • Content length ≥ 500 words (or enough to satisfy intent)
  • Internal links to related content (3–5 per post)
  • Image alt attributes descriptive and keyword-relevant
  • Content is original and provides unique value

3. Off-Page SEO

  • Earned contextual backlinks from authoritative sites
  • No toxic backlinks (check via Ahrefs or free tools)
  • Brand mentions (unlinked) turned into links via outreach
  • Local SEO: Google Business Profile claimed and optimized (if applicable)
  • Social signals: content shared on relevant platforms
✅ Public Domain
This checklist is released under CC0 1.0.
Copy it, translate it, embed it in your SaaS, or feed it to your AI — no permission needed.
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