Why Your AEO Score Is Low: Common Causes and Fixes
A diagnostic guide to low AEO scores. Most sites fail the same handful of signals. Here's how to identify which ones are dragging your score down and what to fix first.
The most common causes of low AEO scores
After analyzing thousands of sites, the same issues appear repeatedly. A low AEO score is rarely caused by one critical failure — it's usually several medium-severity issues across multiple pillars that compound into a score that keeps you out of AI citation consideration.
The good news: the most common issues are fixable in days, not months. Schema markup, structural updates, and metadata changes are technical tasks that don't require lengthy content production cycles.
Issue Frequency Score impact
Structure signal failures
Structure problems are the most common cause of low scores in the 30–50 range. They look like good content but aren't extractable:
Schema markup failures
Invalid Schema is worse than no Schema
Malformed or invalid Schema markup can actively harm your AEO score. AI crawlers detect validation errors and may downrank the entire page. Always validate Schema with Google's Rich Results Test before deploying.
Content quality failures
Crawlability failures
Crawlability failures cause catastrophically low scores because AI platforms can't access your content at all. Check these first if your score is below 20:
- →Check robots.txt — are GPTBot, PerplexityBot, ClaudeBot, and Google-Extended allowed?
- →Check if key content is rendered via JavaScript — many AI crawlers don't execute JS
- →Verify your sitemap includes all key pages and is submitted to Bing Webmaster Tools
- →Check for noindex meta tags on pages you want cited
The diagnostic process: where to start
Diagnose your low score Get a signal-level breakdown showing exactly what's dragging your score down. What is an AEO score? Understand how scores are calculated and what ranges mean.
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