Answer:
Do not log into any social media.
Do not open youtub.
Do not open online games tabs.
Step-by-step explanation:
In order to be more efficient when using internet you culd just start by not loggin into any social media while you are working, this can help you have a better performance and less opportunities to get distracted, then you should open youtub, even if it helps you to work with some music, youtub often is a source of distraction, better get a music player or a music streaming program, and do not get into online game pages, this could seriously damage yoru prpductivity.