A private GitHub repository does not automatically make its associated GitHub Pages site private. The ability to have a private GitHub Pages site is restricted to specific plans, primarily GitHub Enterprise Cloud with certain configurations. For most GitHub plans, including Pro and Team, a private repository will still generate a public website. This distinction is crucial because users might assume a private repository protects both code and the published site. GitHub Pages primarily acts as a static site hosting service and lacks a built-in access control layer for individual users. To restrict access to a GitHub Pages site, one must use external services like Cloudflare Access or explore authentication features on platforms like Vercel or Netlify. Alternatively, self-hosting with basic authentication or simply running a local development server are viable options. The author emphasizes that if a site genuinely needs to be private, relying on an obscure URL is insufficient security. Understanding the difference between repository privacy and website accessibility is vital to avoid accidentally exposing sensitive information.