Several prominent services use meta tags to enhance the experience for their users by showing rich content, such as images and descriptions, alongside the title and URL of your page. These tags let you control how your site is branded across social networks and help drive engagement. Once you add them your users will get a much richer experience and it will drive more people to your site.
Once you’ve added the Smart Layers code to your page, there are a couple things you should know so you can optimize how the What’s Next and Recommended Content layers display on your site. Smart Layers uses Open Graph meta tags to determine how to display links to your pages, and to specify which content is shared from your page.