Og:title is part of the Open Graph protocol, a set of meta tags developed by Facebook that allows any page to become a rich object in social graphs. While it’s used to control how content ...

Embedly says that 42 percent of the URLs it processes have Facebook Open Graph tags. While this number is only based on a sample size of 12 million URLs, Open Graph is only getting more popular.

To further support just how important controlling your message utilizing the open graph tags is, a recent study which was done by AddThis and ClearSpring concluded that Facebook is responsible for ...

At their most basic, Open Graph tags allow you to define and categorize the objects on your site that you associate Facebook Like buttons to. Think of them as social media meta tags.

The expansion of Facebook’s Open Graph program Wednesday, which lets apps like Spotify and RunKeeper publish their users’ activities to Facebook, will be a publicity boon for many apps.

But with a new Object API, Facebook is cutting out the web server. “With the Object API, you can directly create Open Graph objects and no longer need to host webpages with Open Graph tags.