These are the 5 Audits of a web page using Inspect of Google Chrome: Performance Progressive Web App Accessibility Best Practices SEO These are the Performance metrics: First Contentful Paint - Speed Index shows how quickly the contents of a page are visibly populated. First Meaningful Paint - First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Speed Index - Interactive marks the time at which the page is fully interactive. Time to Interactive - Interactive marks the time at which the page is fully interactive. First CPU Idle -First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Estimated Input Latency - The score above is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. These are Opportunities to speed up y...