Search Engine Land Google uses RankBrain for every search,

你知道嗎？Google並不是真的用你輸入的關鍵字去搜尋，而是會先經過一道「手續」。

Search Engine Land Google uses RankBrain for every search, impacts rankings of "lots" of them Search Engine Land Last year, RankBrain was used for less than 15% of queries. Now Google's confidence has increased enough that it's used all the time. Key takeaways from the Google AMA: RankBrain, Panda, Penguin, bots & more - Search Engine Land Full Coverage