AEO Validator

Check your website's Answer Engine Optimization implementation against best practices. Our validator analyzes structured data, llms.txt configuration, and content structure.

What We Validate

Structured Data

• Schema.org markup presence and validity
• JSON-LD syntax correctness
• Required fields completeness
• Type appropriateness

llms.txt

• File accessibility
• Field completeness
• Syntax validity
• Best practice compliance

robots.txt

• AI crawler permissions
• Sitemap reference
• Syntax correctness

Content Structure

• Heading hierarchy
• Semantic HTML usage
• Meta tag completeness
• Authority signals

Manual Validation Guide

While our automated validator is in development, use these tools:

Step 1: Validate Structured Data

Google Rich Results Test

1. Go to search.google.com/test/rich-results
2. Enter your page URL
3. Review detected schemas
4. Fix any errors or warnings

Schema.org Validator

1. Go to validator.schema.org
2. Paste your JSON-LD or enter URL
3. Review validation results

Step 2: Check llms.txt

Manual Check

# Check if llms.txt exists
curl -I https://yoursite.com/llms.txt

# View contents
curl https://yoursite.com/llms.txt

Checklist:

• File returns 200 status
• Content-Type is text/plain
• site_name field present
• site_url field present
• site_description field present
• Permission fields specified
• Entry points listed

Step 3: Verify robots.txt

curl https://yoursite.com/robots.txt

Checklist:

• GPTBot is allowed (or explicitly configured)
• Google-Extended is allowed
• PerplexityBot is allowed
• ClaudeBot is allowed
• Sitemap URL is listed

Step 4: Analyze Content Structure

Using DevTools:

1. Open page in Chrome
2. Press F12 for DevTools
3. Go to Elements tab
4. Search for headings: h1, h2, h3

Checklist:

• Single H1 per page
• Logical heading hierarchy (no skipped levels)
• Descriptive heading text
• <article> wrapping main content
• <section> for major divisions

Step 5: Check Meta Tags

Using DevTools:

// Run in browser console
console.log('Title:', document.title);
console.log('Description:', document.querySelector('meta[name="description"]')?.content);
console.log('Author:', document.querySelector('meta[name="author"]')?.content);
console.log('OG Title:', document.querySelector('meta[property="og:title"]')?.content);

Validation Checklist

Use this comprehensive checklist for manual validation:

Essential (Required)

• Page has valid HTML structure
• Single H1 heading present
• Meta description exists
• robots.txt allows AI crawlers
• Sitemap.xml exists and is valid

Recommended

• llms.txt file at site root
• Schema.org Article/WebPage markup
• Author information present
• Publication date included
• Open Graph meta tags

Advanced

• FAQ schema for Q&A content
• HowTo schema for tutorials
• Organization schema on homepage
• BreadcrumbList for navigation
• Inter-page entity references

Common Issues

"No structured data detected"

Cause: JSON-LD script not present or malformed

Fix:

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebPage",
  "name": "Page Title",
  "description": "Page description"
}
</script>

"llms.txt not found"

Cause: File missing or wrong location

Fix: Create llms.txt in your site's root directory (public folder for Next.js)

"AI crawlers blocked"

Cause: robots.txt blocking AI user agents

Fix:

User-agent: GPTBot
Allow: /

User-agent: ClaudeBot
Allow: /

Next Steps