Voice search involves finding information or products online using voice directly, rather than typing text into a search engine. This method is gaining popularity, particularly for mobile searches on smartphones or while driving, as well as for in-home queries via personal assistants such as Echo or Alexa. Adapting to voice queries requires taking into account the variety of spoken phrases compared to text input, and the fact that answers can be provided by speech synthesis rather than a list of results. This should also foster the development of artificial intelligence. Voice search is increasingly associated with structured data, and its importance continues to grow. The SEO challenges related to voice search are discussed in detail in a comprehensive presentation.