How can I see my Chrome application performance?

Record performance

  1. Go to the page that you want to analyze.
  2. Click the Performance tab in DevTools.
  3. Click Record . Figure 1. Record, outlined in blue.
  4. Interact with the page. DevTools records all page activity that occurs as a result of your interactions.
  5. Click Record again or click Stop to stop recording.

For More Information Please Refer: https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/reference