The Free Website Audit Checklist for 2026: What to Check Before You Launch
A website audit is the most important pre-launch activity you can do. It catches broken pages, security holes, missing meta tags, and accessibility gaps before your users (and Google) find them first.
Why Audit Before Launch?
Search engines form first impressions fast. A site that launches with broken links, missing SSL, or thin content sends a clear signal: this site isn't ready. In 2026, with AI Overviews pulling structured data from pages within hours of indexing, you get one chance to present clean, authoritative content.
The 12-Point Checklist
1. On-Page SEO
Run every page through an SEO Analyzer to verify: title tags (unique, under 60 characters), meta descriptions (unique, under 155 characters), exactly one H1 per page, and proper heading hierarchy (H1 → H2 → H3, no skipped levels).
2. SSL Certificate
Use the SSL Certificate Checker to confirm your certificate is valid, issued by a trusted CA, and expires in more than 30 days. Enable HSTS to enforce HTTPS on all connections.
3. Security Headers
Grade your HTTP security headers with the Security Headers Grade tool. Target grade A or higher — most sites score D or F, which is both a security risk and a trust signal to crawlers.
4. Robots.txt & Crawlability
Validate that your robots.txt isn't accidentally blocking important pages. Check that your sitemap URL is referenced and AI crawlers are allowed if you want AI search visibility.
5. Structured Data
Run the Structured Data Validator to confirm your JSON-LD is valid. At minimum, implement Organization, BreadcrumbList, and FAQPage schemas on your key pages.
6. AI Readiness
Use the AI Readiness Check to verify your site is optimized for AI search engines. Check llms.txt presence, AI crawler permissions, and content quotability.
7. Canonical URLs
Every indexable page needs a self-referencing canonical URL. Missing or conflicting canonicals split your ranking power across duplicate URLs.
8. Accessibility
Run the Accessibility Checker to catch WCAG 2.1 violations. Focus on color contrast, image alt text, keyboard navigation, and form labels.
9. Internal Links
Each page should have 3-5 contextual internal links. Orphan pages (no inbound links) will never be crawled or ranked.
10. Page Speed
Test your Core Web Vitals — especially LCP (Largest Contentful Paint). Aim for under 2.5 seconds on mobile connections.
11. Social Sharing
Preview how your URLs appear when shared on social media using the Social Share Preview tool. Missing OG images and titles look unprofessional.
12. Full Website Check
Run the Full Website Check to get a combined score across all diagnostic categories. This gives you a single benchmark to track improvements over time.
How Often Should You Audit?
- Pre-launch: Complete checklist above
- Monthly: Quick SEO + security headers check
- Quarterly: Full audit including accessibility and AI readiness
- After major changes: Any redesign, migration, or CMS upgrade
FAQ
How long does a full website audit take?
A comprehensive audit using CheckWebs takes about 15-20 minutes. The automated tools run in seconds — most time is spent reviewing results and prioritizing fixes.
Should I audit my website before or after launch?
Both. Pre-launch audits catch critical issues. Post-launch audits verify everything works in production with real traffic and DNS propagation.
What is the most important thing to check?
SSL certificate validity and basic on-page SEO (title tags, meta descriptions, H1 structure). These are the foundation — everything else builds on top.
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