1. The document discusses Facebook Login and the Open Graph protocol. It explains how to implement Facebook Login on a website by adding a Facebook app, obtaining app credentials, redirecting users to Facebook for login, and exchanging tokens to obtain long-lived access tokens.
2. It also covers how the Open Graph protocol allows websites to provide metadata so that content shared to Facebook is enriched with things like images, titles, and descriptions from the page.
3. The document provides code examples and links to Facebook developer documentation for implementing Facebook Login and integrating with the Open Graph.
1. The document discusses Facebook Login and the Open Graph protocol. It explains how to implement Facebook Login on a website by adding a Facebook app, obtaining app credentials, redirecting users to Facebook for login, and exchanging tokens to obtain long-lived access tokens.
2. It also covers how the Open Graph protocol allows websites to provide metadata so that content shared to Facebook is enriched with things like images, titles, and descriptions from the page.
3. The document provides code examples and links to Facebook developer documentation for implementing Facebook Login and integrating with the Open Graph.