Gravatar provides universal information about you. A Gravatar is an image and bio that links to your email address when you register, comment, or share things at participating websites and blogs. Many popular sites use Gravatar including Wordpress and KnowEm.com.
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Social Media Relevance Rankings
Social Media Relevance Rankings describe how each site is performing relative to the roughly 600 social media networks KnowEm is currently tracking. A site with a score of 1 is in the lowest percentile for that metric, while a site with a score of 100 is in the highest.
For example, if the site has an Alexa relevance ranking of 10, that means it is ranked lower than 90% of the other social media networks. A site with a relevance rank of 90 is scoring higher than 90% of the others.