Optimising for voice search in Australia 2026 relies heavily on structured data implementation and the increasing sophistication of Google’s Knowledge Graph, which powers voice responses via Google Assistant and other devices. The core mechanism involves providing search engines with explicit information about your business and content, allowing them to directly answer voice queries.
Google’s Search Generative Experience (SGE), currently in testing as of December 2025 and expected to be more widely available in 2026, significantly increases the importance of schema markup. Schema.org vocabulary, now including more specific Australian business data types (like ABN and Australian Business Register identifiers), allows businesses to define entities like products, services, events, and local business information. Google’s AI algorithms then use this data to generate concise, spoken answers. Furthermore, Google Business Profile data, crucial for local voice searches, now integrates directly with SGE, meaning accurate and complete profiles are essential. Google has confirmed in late 2025 that the weighting of structured data in SGE responses will increase in 2027. Currently, the Google Search Console provides tools to validate schema implementation, and third-party schema generators are widely available for Australian businesses.
Ultimately, voice search optimisation in 2026 functions by enabling Google to understand and directly respond to queries using information explicitly provided through structured data and verified business listings.