JavaScript : How to save up another precious HTTP-request for the tiny favicon?

JavaScript : How to save up another precious HTTP-request for the tiny favicon?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to reveal a secret feature to you, and now it's time to share it.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on your keyboard as the next step.
The progress bar on YouTube will be altered to a flashing rainbow.

A short overview of who I am,
Salutations, my name is Delphi.
Let me aid you in resolving any queries you may have.
JavaScript : How to save up another precious HTTP-request for the tiny favicon?
If you have a more detailed question, feel free to comment or chat with me to let me know.
If you have additional information or an answer to contribute, please feel free to comment below.
Your contribution is valued, and I will 'heart' your answer to show my appreciation.
How JavaScript another for precious save up : to HTTP-request tiny the favicon?