2013August, 8th Google Updates PageSpeed Insights and Mobile Guidelines - On this day, Google announced updates to its Mobile Guidelines and PageSpeed Insights tool. In short, it's all about speed. Google stressed the prioritization of above-the-fold content, where webmasters should at least make it load quickly. The guidelines also included more specific recommendations, like server response times to aim for, optimizing JavaScript and CSS, and limiting the number of redirects. This Day in SEO