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DIGITECH guide · 3 min read

How answer engines read a site

What AI Overviews, assistants and answer engines actually fetch, what they ignore, and the handful of page qualities that make a site citable.

Published · Updated · Reviewed February 4, 2026

Key points

  • Answer engines begin with the same index as search. A page that is not indexable is not citable.
  • They favour pages that state a claim clearly, support it in the same place, and are easy to quote in a sentence or two.
  • Nothing here replaces the fundamentals. It makes the fundamentals visible to a new kind of reader.

What they fetch

Google’s documentation on AI features in Search is explicit that AI Overviews draw on the same systems as ordinary results and that no special markup is required. Other assistants either use a search index they license or run their own crawler. In every case, the starting condition is the same: the page has to be fetchable, renderable and indexable.

From there, the systems extract passages. Not pages, passages. A long guide can be cited for one paragraph that answers a specific question, which is why a clear heading followed by a direct answer tends to be lifted more often than an answer buried in a story.

What makes a passage citable

  • A heading that reads like the question, followed by the answer in the first sentence.
  • Specifics: numbers, names, steps, conditions. Vague passages are hard to quote.
  • Claims supported on the same page, by sources a reader can check.
  • Consistent facts across the site: the same business name, address and service list everywhere.
  • A page that exists for one job. Pages that try to answer everything are summarised as nothing.

What to do with this

Audit your hub pages against the list above, starting with the services you most want to be asked about. Then confirm access for the crawlers you want to admit using the AI crawler access checklist. The AI search optimisation service covers the same work with a team behind it.

Where this applies

Written and reviewed by

Written by

Maya Chen

Director of Search Strategy

14 years in search · Leads SEO and AI search programs for behavioral health and specialty care

Published

Maya leads the search practice at DIGITECH. She plans the SEO and AI search programs behind the agency’s behavioral health and specialty healthcare accounts, and writes about how families and patients actually research care. Her work starts with the question a person types, not the keyword a tool suggests.

Editorially reviewed by

Elias Morgan

Editorial Director

Former healthcare trade editor · Checks every guide against its cited sources before publication

Reviewed

Elias runs editorial review for everything DIGITECH publishes. He reads each draft against the sources it cites, checks the claims a client could be held to, and signs off on the review date that appears on the page. Before DIGITECH he edited a healthcare trade publication for eight years.

Checked against the sources above on February 4, 2026. The revision date changes whenever the text does; the review date only changes when the guide is re-checked.

Sources

  1. AI features and your website — Google Search Central
  2. Creating helpful, reliable, people-first content — Google Search Central

About this guide

Published · Updated