What’s the fastest and best-optimized resource?

What’s the fastest and best-optimized resource?

• An image
• The one not sent
• Javascript
• Web fonts

Correct answer is:

• The one not sent

Explanation: The fastest and best-optimized resource is a resource not sent. You should eliminate unnecessary resources from your application. It’s a good practice to question, and periodically revisit, the implicit and explicit assumptions with your team.

Read more here: https://support.google.com/partners/answer/7336689