CI/CD is a system for automating software development. CI stands for Continuous Integration, which means merging code changes frequently and running automatic tests. CD stands for Continuous Deployment, which means automatically deploying verified changes to the live site. CI/CD helps save time, reduce human errors, and maintain high-quality software. With CI/CD, developers can release updates faster and more reliably.
After pushing changes to GitHub, the workflow first checks that all required files exist. Then it uploads the site files automatically to GitHub Pages. Finally, the live website is updated so that the latest changes are visible immediately.