Understand the user-centric metrics that define site performance
It hasn't even been a full year since Google redesigned how they measure page speed, an update which put site performance at the top of its ranking factors. So high, in fact, that over the months it's become clear that page speed can deeply impact your overall SEO ranking and even make your ad buys more expensive.
In short, performance is everything to Google. As the platform improves how it defines optimal page speed, Google will only continue to favor the fast and trusted web. So before things develop any further, it's important to get acquainted with how Google currently measures page speed and, specifically, the metrics the platform has identified as mattering the most.