GitHub Pages is a free static website hosting service offered by GitHub. It allows users to host HTML, CSS, and JavaScript files directly from a GitHub repository and serve them as a website over the internet.
How GitHub Pages Works
Source Repository: You create a GitHub repository containing your website’s code.
Publishing: You enable GitHub Pages in the repository settings and select a source branch (commonly main, master, or a special /docs folder).
Build Process: GitHub builds your site using Jekyll (optionally), a static site generator, unless disabled.
Hosting: The static files are served over HTTPS at a URL like https://username.github.io/repository-name/.
You can also use a custom domain (like example.com) by configuring DNS settings.
Why It’s Free
GitHub offers this as a value-added service to encourage adoption of its platform, especially for open-source developers, educators, and students. Since GitHub Pages hosts only static content, the cost to GitHub is relatively low compared to dynamic web hosting.
Common Uses
Personal portfolios or developer resumes
Project documentation
Open-source software websites
Blogs, especially using Jekyll
Tutorials or course content
Marketing sites for apps or tools
Limits
Content Type: Only static files (HTML, CSS, JS, images) — no server-side scripting like PHP or Node.js.
Build Minutes: 10 builds per hour (if using Jekyll).
Repository Size: Max 1 GB.
File Size: Max 100 MB per file.
Traffic Limits: Not explicitly stated, but meant for low to moderate use, not for high-traffic production applications.
No Databases or Back-end Services: You’d need external APIs for dynamic behavior.
Costs
Free for public and private repositories under GitHub Free, Pro, Team, and Enterprise plans.
Custom domains are supported, but purchasing the domain itself is an external cost.
There’s no direct cost for hosting, bandwidth, or SSL/TLS certificates.
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