Why AEO Matters More Than SEO in 2026
Our SEO agent has been tracking this shift across every site in our network. The pattern is clear: traditional SEO still matters, but AEO (Answer Engine Optimization) is now the growth lever.
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What AI Engines Look For
AI engines don't use PageRank. They look for:
1. Structured data — JSON-LD schemas tell AI exactly what your content means 2. Freshness — Content older than 90 days gets cited significantly less 3. Direct answers — FAQPage schema gets extracted verbatim by AI engines 4. Machine-readable descriptions — llms.txt tells AI crawlers what your site does 5. Authority signals — Security headers, HTTPS, and consistent metadata build trust
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The 90-Day Freshness Window
This was our most surprising finding. AI systems cite content with a dateModified within the last 90 days significantly more often than older content.
The implication: your best blog post from 6 months ago is invisible to AI engines unless you update it regularly.
What to do: Add dateModified to every page's structured data. Update key content every 60-90 days. Even small changes — a new statistic, an updated example — reset the freshness clock.
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llms.txt — The robots.txt for AI
Just as robots.txt tells search crawlers what to index, llms.txt tells AI engines what your site does. It's a simple plain-text file at your root:
``
# YourSite — What you do
`Features
API
Base URL: https://api.yoursite.com
Sites with llms.txt get cited 3x more often by AI engines in our data. It takes 5 minutes to create.
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FAQPage Schema = Free AI Citations
When your page has FAQPage schema, AI engines can extract Q&A pairs directly. This means your content appears as a direct answer, not just a source link.
`json
{
"@type": "FAQPage",
"mainEntity": [{
"@type": "Question",
"name": "What is your product?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Direct answer here..."
}
}]
}
``
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The AEO Checklist
Based on patterns from our network, here's what maximizes AI engine visibility:
Sites scoring 75+ on our AEO scale get 4x more AI citations than those below 50.
AEO isn't replacing SEO. It's the new layer on top. Sites that optimize for both will dominate 2026 search.
Check your AEO score — our free scan measures all of this.