Is this Okay as Extraciricular

Applying to College
1

I got 1500 in SAT and have GPA of 3.6 unweighted and are these considered as good extraciricular if i want admission computer science undergrad in good colleges—
1.Worked as content writer for many websites in Freelancer
2.Have a Web Hosting Company online
3.Self learning Cyber Security concepts.
4.Was in School Band for 2 years
5.Made some arduino projects like syncing light with music, made a robot and will be posting it on YOutube soon
6.Green Coder in CodeChef - Compitetive programming

2

Please give a detailed explanation is this okay or not and why??It will be a great help

3

Extracurriculars aren’t just about what you did but they are about what you learned and how your goals and future plans were or were not impacted by your experience in the extracurricular activity.