What Is Version Control (Git)?

Version control is a system that records every change to a set of files over time, so you can see the history and roll back to any earlier version. Git is the free, open-source version-control tool most developers use, and it keeps a full copy of a project's history on every machine. Services like GitHub host those projects online, so teams avoid overwriting each other's work and undo a broken change in seconds.

What does version control actually do?

Version control records changes to a file or set of files over time so that you can recall specific versions later (Git documentation). Every save point, called a commit, is a labeled snapshot of the whole project.

Because each commit is a snapshot with a message, you can read the history of a project like a timeline. You can see what changed, when, and by whom.

You can also return the files to exactly how they were at any commit. That is the real power: a bad change is not a disaster, it is one step back.

What is Git, and how is it different from GitHub?

Git is the version-control tool itself. It is released under the GNU General Public License, an open-source license (Git), so it is free to use. It is the tool most professional developers reach for.

Git is distributed, which means every copy of a project is complete. When a developer clones a project, they get its full history, so every clone is effectively a full backup of the work.

GitHub is a different thing. It is a hosting service where Git projects live online, so a team can share one central copy. GitLab and Bitbucket do the same job. Git is the tool; GitHub is one popular place to keep Git projects. The two get confused constantly.

	Git	GitHub
What it is	The version-control tool	A hosting service for Git projects
Where it runs	On each developer's machine	Online, in the cloud
Cost	Free, open-source	Free and paid plans

Source: Git documentation at git-scm.com, accessed September 2026.

Why does version control matter for a business owner?

You will never touch Git yourself, but it protects your site in ways worth understanding. It is the difference between a developer who can undo a mistake and one who cannot.

Version control lets a broken change be rolled back cleanly, instead of scrambled back by hand. When two people work on the same site, it keeps their changes from overwriting each other. And it leaves an audit trail of exactly what changed and when.

Version control sits at the base of a professional tech stack, invisible to you but central to how the site is built.

With it, a bad update can be reverted in seconds, not rebuilt from memory. It pairs naturally with a staging site, where changes are tested before they go live.

This is also why version control and backups are related but separate. Version control tracks the code's history; a backup captures the whole site, database included, so you have both a way to undo and a way to restore. In our experience, many clients have no backups until the day they need one.

Frequently asked questions

Is Git the same as GitHub?

No. Git is the version-control tool that runs on a developer's machine. GitHub is an online service that hosts Git projects so teams can share and collaborate on them. You can use Git with no GitHub account at all. Think of Git as the tool and GitHub as one place to store its output.

Do I need Git for a WordPress site?

Not to use WordPress day to day; you write posts and pages in the dashboard. Developers use Git behind the scenes to manage a site's custom code, theme, and changes safely. For a business owner, it is a sign of a disciplined build, not something you operate. It protects the work without appearing in your workflow.

Is Git free?

Yes. Git is free and open-source software, released under the GNU General Public License. Anyone can download and use it at no cost. The paid products around Git, like private hosting on GitHub, are separate services built on top of the free tool.

What is a commit?

A commit is a saved snapshot of the project at a moment in time, with a short message describing what changed. Commits stack up into the project's history, and any one of them can be returned to later. They are the building blocks that make roll-back possible.

Can version control undo a broken website change?

Yes, as long as the change was tracked in version control. Because each commit is a full snapshot, a developer can restore the site to the state just before the bad change. This is faster and cleaner than editing files back by hand. It is one of the strongest reasons professional teams use it.

Building on a safe foundation

Storming Solutions builds and ships websites for Malaysian businesses through disciplined, version-controlled workflows, so a mistake is a quick roll-back rather than a rebuild. We would rather set up a project that can undo its own errors than promise that none will ever happen.

Curious whether your site is being built and deployed safely? Ask on WhatsApp or read how a change is tested first in what a staging site is, then talk to us about web development done properly.