Finally, among the SEO 2017 novelties, this one should also be mentioned: one usa email list search out of 5 takes place in Voice Search mode and this phenomenon is increasingly bringing online interaction closer to speech, even at the query level. Keywords are becoming more complex in some way, certainly longer, closer to colloquialism and less and less schematized by the keyboard.
Voice search will NOT cannibalize other types of searches but will be a (new) method that will become increasingly fashionable. In 2016, Google stated that voice queries made via mobile devices have gone from 20% (in May) to 25% (in September). We must therefore adapt!

Google will remain firmly in the lead in the ranking of the major sources of traffic for a website. Neither Facebook nor other sources will be able to scratch it. Excluding "direct" traffic (which, let's always remember, also includes a lot of "referrals" that are difficult to track) we can see that Google has a weight about 11 times greater than Facebook , which is about 1 and a half times YouTube. Here is a general ranking of the first 15 traffic sources