These results are pulled from the search engines’ primary indices of the Web and ranked in order of relevance and importance according to their complex algorithms.
How Vertical Results Fit into the SERPs :
These “standard” results, however, are certainly not all that the engines have to offer. For many types of queries, search engines show vertical results, or instant answers, and include more than just links to other sites to help answer a user’s questions. These types of results present many additional challenges and opportunities for the SEO practitioner.
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