Yahoo Lifts The Curtain On Its Home Page Content Algorithm, C.O.R.E.

Yahoo has launched a new visualization tool that offers some insights into how it chooses what content to show on the Yahoo home page and other properties. It offers data that should be of interest to anyone in the news/publishing space.

The data comes from Yahoo’s “C.O.R.E.” — which stands for Content Optimization and Relevance Engine — and the nifty visual tool can be seen at


Controls on the left offer demographic data; you can see what content was viewed by age or gender. On the right, you can limit the data to interests (news, finance, sports) or a list of seven U.S. locations — Atlanta, Chicago, Cleveland, Washington DC, New York City, Philadelphia and the Bay Area.

Here’s how Yahoo explains the C.O.R.E. algorithm and how content is selected for display on Yahoo properties:

Today, C.O.R.E. powers content on many Yahoo! properties, including Yahoo! News and the Today Module. There, editors write and gather the most important and engaging stories of the day, and C.O.R.E. determines how stories should be ordered, dependent on each user. Similarly, C.O.R.E. figures out which story categories (i.e. technology, health, finance, or entertainment) should be displayed prominently on the page to help deepen engagement for each viewer.

But it’s not all algorithmic; Yahoo’s blog post explains that manual action was taken when Osama bin Laden died to make sure that news appeared to all Yahoo users.

Since C.O.R.E. launched in 2008, Yahoo says its users click on the “Today” module on Yahoo’s home page four times more often than before, and more than a billion times per month.

Aside from the cool/curiosity factor, I’d think that anyone involved in daily publishing would be intrigued to see (and track) what content resonated the most with different types of Yahoo visitors.

Yahoo has a similar visualization tool for Yahoo Mail. And there’s also the underrated tool for marketers called Yahoo Clues — not the same slick visualization interface, but good demographic data related to how Yahoo users search.

Related Topics: Channel: Content Marketing | Statistics: Online Behavior | Top News | Yahoo | Yahoo: News


About The Author: is Editor-In-Chief of Marketing Land. His news career includes time spent in TV, radio, and print journalism. His web career continues to include a small number of SEO and social media consulting clients, as well as regular speaking engagements at marketing events around the U.S. He recently launched a site dedicated to Google Glass called Glass Almanac and also blogs at Small Business Search Marketing. Matt can be found on Twitter at @MattMcGee and/or on Google Plus. You can read Matt's disclosures on his personal blog.

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  • Barry G. Maurice

    what’s a yahoo?

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  • Pixelrage

    It’s nice to see Yahoo innovating…just when I thought that search engine was about to die off.

  • Luis Galarza

    Yahoo have been doing some great things for the search and SEO industry, but this new innovative tool race the bars. Marketers now have an awesome and very reliable tool they can use to help them decide what type of content to publish and how to showcase their information to increase readers engagement!

    Thumbs up Yahoo!….

  • Christopher S. Beard

    I agree with Luis, Yahoo is def. stepping things up and coming up with some great toolsets.

  • Anonymous

    This a great invention or update by yahoo which stepping forward to great things for SEO because now they will know that what type of content should be publish in which category and will come to know the results that who is reading and what is his action towards it so its a nice update by yahoo by the way Yahoo is a great search engine.

  • Adarsh Thampy

    Not sure how accurate this is. I checked for Most viewed stories by Women aged 25-34 interested in Health. I see articles like 

    Beyoncé, Jay-Z share first baby photos 
    Homes for sale with bizarre bedrooms
    Madonna slams M.I.A.’s Super Bowl move and 
    Suspect breaks down during murder trial.

    I wonder how they classify these as health articles!

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    well, this is my web,

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