Time to first byte (TTFB) shows how long Magento 2 (M2) takes to generate page HTML. This is the main metric of website performance. Ttfb directly affects search rank position. A lot of complaints are being made about slow M2. If you struggle with poor performance, a TTFB optimization audit is the first thing to tackle. I will walk you through the various steps of a server response time analysis. I will also show you what tools to use and how to analyze a profiler trace, but first a little bit of theory.   What is a Server Response Time (TTFB) Audit?   TTFB, or server...