The SEO analysis tool results suggests linking to the social media accounts (Facebook Page, Twitter, Google+, Instagram, YouTube and LinkedIn) are SEO ranking factors.
Linking to your social media accounts are not ranking factors and if you link to your social media accounts using standard links it will waste a lot of SEO link benefit!
Every link from a page costs link benefit (PageRank (PR)) so you should limit unnecessary links. I don’t use YouTube or Instagram to promote this site, so why would I link to them?
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