GTmetrix focuses on several important metrics that affect website performance:
Page Load Time: The time it takes for a web page to fully load. Total Page Size: The combined size of all elements on a web page. Number of Requests: The total number of HTTP requests made to load a page. First Contentful Paint (FCP): The time it takes for the first piece of content to appear on the screen. Time to Interactive (TTI): The time it takes for a page to become fully interactive.