Change WordPress defaults
You can dequeue WordPress default scripts that are not necessary for most websites.
By using this option, you can remove WordPress’ emojis script so if you need better speed and advanced performance check this option now.
jQuery Migrate Script
With the help of option, you can disable jQuery migrate script to improve performance if you are not using any deprecated jQuery code.
Load jQuery In Footer
To improve performance, you need to reduce first uploading speed. And to reduce first uploading speed, defer loading of jQuery to the footer of the page.