Github Link -

These URLs (typically your_username.github.io ) point to live websites hosted directly from a GitHub repository, often used for personal portfolios or project documentation. Creating a permanent link to a code snippet - GitHub Docs

Specifically used for local development, these allow users to download a repository via HTTPS or SSH protocols. GitHub Link

Users can link directly to specific lines of code. By clicking on a line number in a file, GitHub generates a unique URL that preserves the exact state of that code, even if the file is updated later. These URLs (typically your_username