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# Edge Rank

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EdgeRank is the Facebook algorithm that decides which stories appear in each user's newsfeed in order to give relevant and wanted content.

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### Edge Rank

1. 1. EdgeRank How It Works
2. 2. What Is EdgeRank? ❏ EdgeRank is the Facebook algorithm that decides which stories appear in each user's newsfeed in order to give relevant and wanted content. ❏ Facebook calls this algorithm "EdgeRank" because it ranks the edges (Posts). ❏ That means whenever a friend posts a status update, comments on another status update, tags a photo, joins a fan page, or RSVP's to an event it generates an "Edge," and a story about that Edge might show up in the user's personal newsfeed. ❏ Facebook looks at all possible stories and says "Which story has the highest EdgeRank score? Let's show it at the top of the user's newsfeed. Which one has the next highest score? Let's show it next." ❏ The algorithm hides boring stories, so if your story doesn't score well, no one will see it. ❏ Facebook created this algorithm to predict how interesting each story will be to each user.
3. 3. 3 Variables That Determine EdgeRank Score
4. 4. Affinity Score Affinity Score: How "connected" a particular user is to the Edge (Post/Status). For example, I'm friends with my brother on Facebook. In addition, I write frequently on his wall, and we have fifty mutual friends. I have a very high affinity score with my brother, so Facebook knows I'll probably want to see his status updates. Facebook calculates affinity score by looking at explicit actions that users take, and factoring in: 1) the strength of the action (Like, Comment, or Share) 2) how close the person who took the action was to you 3) how long ago they took the action. If I click on someone's status updates and write on their wall regularly, that person's actions influence my affinity score significantly more than another friend who I tend to ignore.
5. 5. Edge Weight Score Edge Weight: Different types of posts carry different weights. ❏ The higher the weight, the higher the score. In order they rank: a. Photos/Videos b. Links c. Plain text updates ❏ Engagement from other users also factor into the post’s weight. a. If a plain text update has multiple likes and shares it will carry more weight than a video update with no engagement. ❏ If you often engage with a certain type of post type, your most likely to see posts of that type show up on your newsfeed. ❏ Comments are worth more than likes: By default, you are more likely to see a story in your newsfeed about me commenting on a fan page than a story about me liking a fan page.