This Chrome extension allows us to figure out the performance bottlenecks in your components. You can install the Chrome extension from https://chrome.google.com/webstore/detail/Salesforce-community-page/alkcnclapbnefkodhbkpifdkceldogka, which takes you to the Chrome store.
Let's run the performance optimizer on our YouTube search application to gather some performance metrics. To run the tool, click on the extension icon found in the extreme top-right section of Chrome, as shown in the following screenshot:
The following screenshot shows the optimizer score after running the performance optimizer on our application:
It can be inferred that the time taken by the server can be optimized further. The following screenshot shows the time taken by each of the components to create and render:
The following screenshot shows the time taken by the search action:
