Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.
Max Potential First Input Delay (FID) describes the delay between a users input and the website's reaction. Your FID is very low, granting your visitors an instant user experience.
Properly size images
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.
Minify CSS
Minifying CSS files can reduce network payload sizes. Learn more.
Minify JavaScript
Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.
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The amount of time it takes for the page to become fully interactive is good
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
The page responds, on average, to most user input in a reasonable amount of time
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
Your site responds lower than 50ms to user input (Estimated Input Latency)
Estimated Input Latency 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. Learn more.
Defer offscreen images
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn more.
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