Search Central LiveDeep Dive Europe 2026

Knowledge base v2.13.0 · Community edition · data through 2 October 2026

Day 3 · Friday 2 October 2026 · 13:25

How Search results are born

Speaker Gary Illyes, Search Relations

TalkCoverageTranscriptSlides

Search features, rich results and structured data. Speaker from the next speaker's reference on stage to Gary's product rich result example; the same person as the retrieval part of Making sense of users' queries.

Shown on screen 4

SlideConsistent with docsD3-C321

Google's serving diagram shows the query passing through query understanding and retrieval to the index, then back through ranking and search features to the user, with the Search Features step highlighted (example query 'Where to eat orange').

Speaker Gary IllyesEvidence slide photo

  • Repeats D3-C001 Day 3: Google's opening slide for serving day showed serving as the third stage after crawling and indexing, and…
SlideConsistent with docsD3-C331

Google's rich results slide said Article structured data is not required to appear in Top Stories but is highly recommended for all articles.

“Not required for "Top Stories," but highly recommended for all articles.”

Wording checked against the slide or recording

Speaker Gary IllyesEvidence slide photo, transcript

Used byrequirement DEV-SDA-13

SlideConfirmed by docsD3-C333

Google's Article rich results slide said structured data can be used to indicate that content is behind a paywall.

Speaker Gary IllyesEvidence slide photo

Used byrequirement DEV-SDA-13

SlideConfirmed by docsD3-C334

Google's Article slide showed the NewsArticle JSON-LD example from Google's Article documentation: a block in the page head with headline, three image URLs (1x1, 4x3 and 16x9), datePublished and dateModified with time zone offsets, and an author list of Person objects with name and url.

Speaker Gary IllyesEvidence slide photo

Things

Used byrequirement DEV-SDA-13

Said on stage 32

StageNot in docsD3-C302

Google described its search results page as an auction system in which the individual results, of different types, all bid for a place on the page; the auction is a metaphor for result types competing for space, not a reference to ads.

Speaker Gary IllyesEvidence transcript

StageNot in docsD3-C303

Text results are the most common and most prominent result type on Google's results page, whether they are generated by an LLM or not, or enhanced in some other way, Google's speaker said.

Speaker Gary IllyesEvidence transcript

StageConsistent with docsD3-C304

Which kinds of results Google shows for a query is decided by query understanding, which tries to predict the intent behind the query.

Speaker Gary IllyesEvidence transcript

  • Extends D3-C004 Day 3: Google placed query understanding in the traditional part of Search, the part where answers are looked up in…
StageNot in docsD3-C311

Google handles an image used as a search query much like a text query interpreted as an embedding: the image is broken down into vectors (embeddings) that are then searched for in the index.

Speaker Gary IllyesEvidence transcript

  • Extends D2-C740 Day 2: Besides posting lists, Google can retrieve documents through vector embeddings: parts of documents are…
  • Repeats D1-C224 Day 1: For visual search, Google breaks an image down into vectors, sends the vectors to the index and returns…
StageNot in docsD3-C312

Google can still detect intent for image queries, even though they are searched as embeddings, the speaker said.

Speaker Gary IllyesEvidence transcript

StageConfirmed by docsD3-C316

Google generates the parts of a text result, such as title link and snippet, from its understanding of the underlying web page, even when the site owner provides nothing extra.

Speaker Gary IllyesEvidence transcript

Things

Used byrequirement DEV-HTM-03

  • Extends D2-C724 Day 2: The snippet shown for a web result is reconstructed from the tokens stored in Google's index: Google knows…
StageNot in docsD3-C319

Image results shown among web results come from Google's image index and are roughly the same images that Google Images shows for the same query.

Speaker Gary IllyesEvidence transcript

  • Extends D2-C525 Day 2: An image Google has extracted can appear almost anywhere Google shows results, including Discover, image…
StageConsistent with docsD3-C323

Most of Google's search features need nothing extra from the site owner; Google generates them from what it extracted from the page during indexing.

Speaker Gary IllyesEvidence transcript

Used byglossary term Search features

  • Extends D2-C446 Day 2: The 'gold nuggets' that Google's feature extraction step pulls out of a page's HTML are structured data (such…
StageConfirmed by docsD3-C324

Rich results differ from other search features because Google builds them from extra data that site owners provide, usually structured data and usually in JSON-LD format.

“The magic behind rich results is usually structured data. Emphasis on "usually".”

Speaker Gary IllyesEvidence transcript

Used byglossary terms Rich results, Search features

  • Extends D2-C521 Day 2: Structured data makes pages eligible to appear as rich results, Google's structured data talk said in its…
StageConfirmed by docsD3-C325

AI Mode and AI Overviews are not rich results but standard search features: they need no structured data to function and work with the normal text results from Google's index.

“AI Mode and AI Overviews are not rich results.”

Speaker Gary IllyesEvidence transcript

Used byrequirement DEV-AIF-02glossary terms Rich results, Search features

  • Extends D2-C726 Day 2: AI Overviews and AI Mode use the same index structures and token-based snippets as classic web results, a…
StageConfirmed by docsD3-C329

Google's structured data feature guide lists the kinds of structured data Google supports with a search feature and what each can do to a site's search results.

Speaker Gary IllyesEvidence transcript

  • Repeats D2-C490 Day 2: Google recommends using the Search gallery in its developer documentation to find the structured data…
StageConfirmed by docsD3-C335

Google described the site name as an attribution feature rather than a rich result, and said site owners can influence which site name Google shows for their site in search results.

Speaker Gary IllyesEvidence transcript

Used byrequirement DEV-SDA-15glossary term Site name

StageConfirmed by docsD3-C337

Review structured data lets a site specify how its users rated something; the review snippet shows an average star rating and often the number of reviews of a product, service or piece of content.

Speaker Gary IllyesEvidence transcript

Used byrequirement DEV-SDA-14glossary term Review snippet

  • Extends D2-C454 Day 2: Structured data turns the loosely structured web into structured information that powers visual search…
StageNot in docsD3-C338

Google said users rely quite a bit on review stars, calling them a powerful signal of quality and trust for users and a way for sites to use social proof to increase clicks.

“Those little yellow stars are a powerful signal of quality and trust for our users.”

Speaker Gary IllyesEvidence transcript

StageNot in docsD3-C341

Some countries rely a lot on social proof such as reviews, Google's speaker said, recalling a point from Google's Day 2 internationalisation talk.

Speaker Gary IllyesEvidence transcript

  • Extends D2-C614 Day 2: According to consumer data shown on a slide in the talk (source not captured), US consumers judge product…
StageConfirmed by docsD3-C343

Google Search displays product rich results from product structured data; it may also use the product data a merchant provides in Google Merchant Center, but Merchant Center is not required for them.

Speaker Gary IllyesEvidence transcript

Used byrequirement DEV-SHP-01glossary term Merchant Center

StageConsistent with docsD3-C346

To appear in the Shopping tab of Google Search, a product must be submitted in Google Merchant Center; product structured data alone is not enough.

Speaker Gary IllyesEvidence transcript

Used byrequirement DEV-SHP-01glossary term Merchant Center

StageConfirmed by docsD3-C349

Product structured data can help Merchant Center in some cases, for example during data validation, but Merchant Center does not require it.

Speaker Gary IllyesEvidence transcript

Used byrequirement DEV-SHP-01

What Google's documentation says 10

DocsSourceD3-C310

Google's How Search Works pages say Google uses aggregated and anonymized interaction data to assess whether search results are relevant to queries, turning that data into signals for its machine-learned systems.

Publisher Google Search (How Search Works)

DocsSourceD3-C344

Google's Product structured data introduction says that providing both on-page structured data and a Merchant Center feed maximizes eligibility for shopping experiences and helps Google understand and verify the data; product snippets may take pricing from the feed when the markup lacks it.

Publisher Google Search Central

Used byrequirement DEV-SHP-01

DocsSourceD3-C347

Google's Merchant Center help says products and details crawled from an online store can show up on Google even when they are not marked up with schema.org or added in Merchant Center, and lists the Shopping tab among the places Merchant Center free listings appear.

Publisher Google Merchant Center Help

DocsSourceD3-C350

Merchant Center's automatic item updates use structured data and other product data found on landing pages to fix price, sale price, availability and condition mismatches in a merchant's product data; Google says they do not replace regular feed updates.

Publisher Google Merchant Center Help

Used byrequirement DEV-SHP-01

Analysis by the author 4

AnalysisD3-C308

Google's 2007 launch post explained universal search by the growing number of separate search tools and traced it to a 2001 results-page mockup; the 2005-2006 image-seeking queries named on stage are a further motivation the post does not mention, and they predate the May 2007 launch.

Author Ibrahim Anjro

AnalysisD3-C348

Google's free listings help says crawled store products can appear on Google without markup or Merchant Center but does not say whether that includes the Shopping tab; for a shop that wants Shopping tab visibility, the stage rule that Merchant Center is required is the safe working assumption.

Author Ibrahim Anjro

  1. Stage D3-C304 Day 3 · How Search results are born

    Which kinds of results Google shows for a query is decided by query understanding, which tries to predict the intent behind the query.

    extends
    Stage D3-C004 Day 3 · Making sense of users' queries

    Google placed query understanding in the traditional part of Search, the part where answers are looked up in an index and then presented and ranked.

  2. Stage D3-C311 Day 3 · How Search results are born

    Google handles an image used as a search query much like a text query interpreted as an embedding: the image is broken down into vectors (embeddings) that are then searched for in the index.

    extends
    Stage D2-C740 Day 2 · How does the index look like?

    Besides posting lists, Google can retrieve documents through vector embeddings: parts of documents are associated with embeddings, which form a vector space used for retrieval.

  3. Stage D3-C316 Day 3 · How Search results are born

    Google generates the parts of a text result, such as title link and snippet, from its understanding of the underlying web page, even when the site owner provides nothing extra.

    extends
    Stage D2-C724 Day 2 · How does the index look like?

    The snippet shown for a web result is reconstructed from the tokens stored in Google's index: Google knows the position of each token in the document and rebuilds the snippet from those positions.

  4. Stage D3-C317 Day 3 · How Search results are born

    Google can add elements to a text result, such as a 'highly cited' badge or a preferred-source badge.

    extends
    Slide D1-C027 Day 1 · What's new in the world of Search

    Sites that users mark as a preferred source are more visible in Top Stories and are labelled in AI Mode and AI Overviews.

  5. Stage D3-C319 Day 3 · How Search results are born

    Image results shown among web results come from Google's image index and are roughly the same images that Google Images shows for the same query.

    extends
    Stage D2-C525 Day 2 · Using images to your advantage and Engaging Search users with videos

    An image Google has extracted can appear almost anywhere Google shows results, including Discover, image search, web search and AI features, so its potential reach is immense.

  6. Stage D3-C323 Day 3 · How Search results are born

    Most of Google's search features need nothing extra from the site owner; Google generates them from what it extracted from the page during indexing.

    extends
    Stage D2-C446 Day 2 · Finding the gold nuggets: structured data, media, and more!

    The 'gold nuggets' that Google's feature extraction step pulls out of a page's HTML are structured data (such as JSON-LD), images and videos.

  7. Stage D3-C324 Day 3 · How Search results are born

    Rich results differ from other search features because Google builds them from extra data that site owners provide, usually structured data and usually in JSON-LD format.

    extends
    Stage D2-C521 Day 2 · What is Structured Data and why we need it on the internet.

    Structured data makes pages eligible to appear as rich results, Google's structured data talk said in its recap.

  8. Stage D3-C325 Day 3 · How Search results are born

    AI Mode and AI Overviews are not rich results but standard search features: they need no structured data to function and work with the normal text results from Google's index.

    extends
    Stage D2-C726 Day 2 · How does the index look like?

    AI Overviews and AI Mode use the same index structures and token-based snippets as classic web results, a point Google called important but not obvious.

  9. Stage D3-C337 Day 3 · How Search results are born

    Review structured data lets a site specify how its users rated something; the review snippet shows an average star rating and often the number of reviews of a product, service or piece of content.

    extends
    Stage D2-C454 Day 2 · What is Structured Data and why we need it on the internet.

    Structured data turns the loosely structured web into structured information that powers visual search features such as review stars and recipe filters (for example by preparation time).

  10. Stage D3-C341 Day 3 · How Search results are born

    Some countries rely a lot on social proof such as reviews, Google's speaker said, recalling a point from Google's Day 2 internationalisation talk.

    extends
    Stage D2-C614 Day 2 · Focusing on Internationalisation and Localisation

    According to consumer data shown on a slide in the talk (source not captured), US consumers judge product quality more by user feedback and reviews, while European shoppers seem to look more at brand reputation.

  11. Stage D3-C311 Day 3 · How Search results are born

    Google handles an image used as a search query much like a text query interpreted as an embedding: the image is broken down into vectors (embeddings) that are then searched for in the index.

    repeats
    Stage D1-C224 Day 1 · How Search works and where's AI?

    For visual search, Google breaks an image down into vectors, sends the vectors to the index and returns results based on them.

  12. Slide D3-C321 Day 3 · How Search results are born

    Google's serving diagram shows the query passing through query understanding and retrieval to the index, then back through ranking and search features to the user, with the Search Features step highlighted (example query 'Where to eat orange').

    repeats
    Slide D3-C001 Day 3 · Welcome to serving and ranking day!

    Google's opening slide for serving day showed serving as the third stage after crawling and indexing, and drew Google's serving infrastructure as query understanding and retrieval leading into the index, then ranking and search features leading back to the user, for the example query 'Where to eat jamon'.

  13. Stage D3-C329 Day 3 · How Search results are born

    Google's structured data feature guide lists the kinds of structured data Google supports with a search feature and what each can do to a site's search results.

    repeats
    Slide D2-C490 Day 2 · What is Structured Data and why we need it on the internet.

    Google recommends using the Search gallery in its developer documentation to find the structured data features that suit a site; the gallery shows each feature and how Google uses the markup.