Your code's home away from home.
Git keeps history on your laptop. GitHub keeps a copy online, where it's backed up, shareable and ready to deploy.
Backup
Off Your Laptop
Stolen or broken laptop? Your project is safe.
Share
Work Together
Invite others, review changes, discuss them.
Ship
Go Live
Most hosting services deploy straight from it.
Set it up safely
Turn on two-factor login on day one.
Make new repositories private by default.
Only go public after a review for secrets.
Source: GitHub Community ↗
Private by default. Two-factor always. Push every session.