AEO · Answer Engine Optimisationintermediate3 min read

What is Voice Search?

Voice search is the use of spoken language to query search engines through devices like smartphones, smart speakers, and smart displays. Google Assistant, Siri, and Alexa all process voice queries. Voice searches are fundamentally different from typed searches: they're longer, more conversational, question-phrased, and expect a single direct answer — not a list of results to scroll through.

58%
of consumers use voice search to find local business information
Source: BrightLocal, 2023
Fact-checked against 2 sourcesLast updated 8 June 2026
Key Takeaways
  • Voice queries are 3-5x longer on average than typed queries — target natural, conversational phrases.
  • Voice answers are almost always pulled from featured snippets — optimising for snippets is optimising for voice.
  • Local voice search is high-intent: 'near me' queries dominate. Keep your Google Business Profile current.
  • FAQ content with conversational questions is the best format for voice search optimisation.
  • Smart speakers (Alexa, Google Home) give exactly one answer — being the featured snippet means being the only answer.

How Voice Search Changes Query Patterns

When people type, they use fragments: 'best coffee London'. When they speak, they use sentences: 'What's the best coffee shop near me in London that's open right now?'

This shift towards natural language means: question-based queries (who, what, where, when, why, how) dominate voice search. Long-tail, conversational keywords matter more. And the content that wins is direct, specific, and conversational.

Voice results are also heavily localised — voice devices know where the user is, so local SEO and Google Business Profile optimisation directly impacts voice search visibility.

Optimising Content for Voice Search

Structure content as answers to natural questions. Use 'question + direct answer' formatting: an H2 phrased as a question, followed by a 30-50 word direct answer.

Target featured snippets — voice assistants almost exclusively read featured snippet content as their answer. Everything that wins featured snippets wins voice search.

For local voice search: ensure your Google Business Profile is complete and accurate, use LocalBusiness schema on your website, and target '[service] near me' and '[service] in [location]' queries.

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27%
of the global online population uses voice search on mobile
58%
of consumers used voice search to find local business info in 2023
40-50 words
average length of a voice search answer read aloud by a voice assistant
3x
more likely to be conversational than typed queries
TYPED SEARCH VS. VOICE SEARCH: KEY DIFFERENCES
Typed SearchVoice Search
Short keyword fragments: 'best pizza London'Full natural sentences: 'Where can I get the best pizza in London right now?'
User scrolls a list of resultsDevice reads a single answer aloud
Desktop and mobile dominantSmartphone, smart speaker, and smart display dominant
Targets head and mid-tail keywordsTargets long-tail, conversational, question-based keywords
Local intent implied but not statedLocation is explicit and device-confirmed in real time
Featured snippet is a bonusFeatured snippet is almost always the only answer delivered
VOICE SEARCH OPTIMISATION CHECKLIST
0/8 complete
Structure key content as H2 questions followed by a 30–50 word direct answer
Target featured snippet positions for every primary query
Complete every field in your Google Business Profile, including hours and categories
Implement LocalBusiness schema markup on your website
Include natural-language question variants in your keyword research (who, what, where, when, why, how)
Optimise for '[service] near me' and '[service] in [location]' query patterns
Ensure page load speed is under 2 seconds — voice results favour fast, mobile-optimised pages
Write at a reading level of Grade 8 or below to match conversational voice query expectations
✓ DO

Phrase H2 headings as the exact questions your audience would speak aloud

Write concise, direct answers immediately after each question heading

Keep your Google Business Profile name, address, and phone number (NAP) consistent across the web

Use conversational, natural language throughout your content

Test how your content sounds when read aloud to verify it flows naturally

✗ DON'T

Stuff content with fragmented keyword phrases that sound unnatural when spoken

Neglect mobile page speed — slow pages are excluded from voice results

Leave your Google Business Profile incomplete or with outdated opening hours

Assume desktop SEO optimisation alone will capture voice traffic

Write answers longer than 50 words when targeting voice-read featured snippets

THE RISE OF VOICE SEARCH
2011
Siri Launches on iPhone 4S

Apple introduces Siri, the first mainstream voice assistant on a consumer smartphone, making voice queries a daily habit for millions of users worldwide.

2014
Amazon Echo and Alexa Debut

Amazon launches the smart speaker category with Echo and Alexa, shifting voice search from mobile-only to always-on home devices and expanding the search surface dramatically.

2016
Google Home and Assistant Released

Google enters the smart speaker market, bringing its core search index directly into voice-first devices and making featured snippet optimisation critical for voice visibility.

2019
50% of Searches Predicted to Be Voice

Widely cited industry forecasts accelerate enterprise investment in voice SEO strategies, pushing question-based content and schema markup into mainstream SEO practice.

2023
Voice Search Merges with Generative AI

Google Assistant, Siri, and Alexa begin integrating large language models, making conversational, contextually accurate content more important than ever for answer-engine visibility.

KEY VOICE SEARCH TERMS
Featured Snippet

A boxed answer Google displays at the top of search results, above organic listings. Voice assistants read this content aloud as the sole answer to a voice query.

Conversational Query

A search phrase structured as natural spoken language — typically a full question — rather than a short keyword fragment. Voice searches are almost always conversational queries.

LocalBusiness Schema

Structured data markup (schema.org) added to a website to tell search engines your business name, address, hours, and category — directly improving local voice search eligibility.

Near Me Query

A voice or typed search that includes 'near me' or relies on real-time location data to find local services. Voice devices automatically resolve the user's location, making these queries highly actionable.

Answer Engine Optimisation (AEO)

The practice of structuring content so it is selected and delivered as a direct answer by search engines and voice assistants, rather than simply ranked in a list of results.

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Frequently Asked Questions

Yes, but the growth is now through AI assistants rather than dedicated smart speakers. ChatGPT Voice, Google's AI Mode, and integrated AI assistants in smartphones are all voice-based AI search. Optimising for voice means optimising for conversational AI queries broadly — the techniques are the same.

Aim for a 9th-grade reading level or lower. Voice search users expect direct, clear answers — not complex sentence structures or jargon. Tools like Hemingway Editor can help assess and simplify your writing. The easier your content is to read aloud, the more likely it is to be used as a voice answer.

Sources & Further Reading
  • 1.BrightLocal — Voice Search Study, 2023
  • 2.Google — Voice search optimisation guide