Their are following SEO updates are come in 2018.
Voice Search: It is a natural process when people at outside or driving, they mostly prefer voice search for search anything and they always use natural language rather than professional. It’s too difficult for search engine to give answer of the questions started from what, who, when, where etc. Average voice search result loads in 4.6 seconds.
Mobile First Indexing: It means that your website’s content is mobile friendly and it looks good when anyone open this website on mobile phones. Because 3 out of 5 searches happens in mobile. And speed of search result is very fast as compare to desktop
Rank Brain and Artificial Intelligence: Rank Brain is an artificial intelligence program used to help process google search queries. And embed highly written language into mathematical language that computer easily understand. With the help of artificial intelligence search engines is also improved and become more smarter than previous.
Machine Learning: Machine learning is most beneficial for SEO because with the help of machine learning we can do anything that is not easy to do or impossible things to do without it. Machine learning have a capability to do complex calculations faster. The use of machine learning are global and new ideas developing day by day as they adopt. One of the main key factor to adopting machine learning is quality of search result is produced by search engines. “Every thing in the company is completely driven by machine learning.”
Increased search personalization: In digital world personalization of search matters a lot to the future success of any search engine.