According to opinion on specialists and seo agencies, the results are as follows: the Google extended snippet option and other extradition extensions scored a larger number of votes - 16%.
Two trends at once: UX-signals - even more influence from user signals and the creation of content that fully reveals the topic came in second place, gaining 14% each.
Third place went to voice search and virtual assistants - 13%.
Trend RankBrain: machine learning and artificial intelligence scored 10%. Optimization for the mobile-first index and branding as part of SEO scored 8% each.
The combination of high-quality content and trust links - 6%, YouTube as a new search engine - 5%, personalized and semantic search - 3%, and 2% each collected trends for videos and podcasts and searches for pictures and videos.