aeo
How to fix: Definition blocks (<dfn> or 'X is ...') in early content
Why this matters
A clear 'X is …' sentence near the top of a page is the single easiest pattern for AI engines to extract. Whether you use a <dfn> tag or just bold the term, the definitional structure is what unlocks consistent quoting.
Background
A clear 'X is …' sentence near the top of a page is the single easiest pattern for AI engines to extract. Whether you use a <dfn> tag or just bold the term, the definitional structure is what unlocks consistent quoting in answer engines.
References
Definitional answer extraction · Wikipedia infobox pattern
How to fix
Code snippet for each stack we cover. Pick the one matching your server / framework.
nginx
No server config — content pattern.
apache
Same.
cloudflare
Same.
wordpress
Add an opening sentence in the format '[Term] is [definition].' On glossary or service pages, wrap the term in <dfn>.
flask
Same.
express
Same.
rails
Same.
Verify it's working
First 200 words should contain a clear 'X is Y' definitional sentence.
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