We're sorry but this app doesn't work properly without JavaScript enabled. Please enable it to continue.

This lesson's interactive features are locked, please to keep using them

Network Tab Practice

  1. Open your browser's Dev Tools
  2. Navigate to the Network tab at the top.
    • If you don't see the network tab, it should be in the dropdown menu. Click it.
  3. Once you've opened the network tab, refresh this page.

Poke around through the different requests that you see. Notice that you can select a request and see its request and response headers. Request headers are sent from your browser to the server. Response headers are the headers sent back from the server to your browser.
You will use the information you find within the headers tab to answer the following questions.