Plug+in+facebook !link! Site
Below is a structured covering the most common interpretation: Social Plugins and the concept of "plugging into" the Facebook ecosystem.
While Facebook "Likes" aren't a direct ranking factor for Google, the increased traffic and social signals they generate can indirectly boost your SEO. When a user interacts with a plugin on your site, that activity may appear in their friends' feeds, driving a new wave of referral traffic back to you. 4. Advanced Tracking with the Facebook Pixel plug+in+facebook