Ever wonder why it seems like certain SERPs are constantly up to date, when other take eons to get any movement? It often has to do with QDF, or Query Deserves Freshness; a component of the Google algorithm that pays special attention to queries that may need frequent updating, such as breaking news stories.

When the engines recognize that the "best" results for a certain search may change drastically from day-to-day, or moment-to-moment, they may mark the search QDF, which will help promote new, related content from trusted sources to the top of the SERP, even if that content doesn't yet have any links. There's more to QDF than that, so to learn some details and some tips on how to leverage QDF for your own use, watch the video.