Im not sure about facebook. The article refers to how FB grabs "snippets" of content from websites. But I was under the impression that what FB does is grab c

Im not sure about facebook. The article refers to how FB grabs "snippets" of content from websites. But I was under the impression that what FB does is grab certain info in META tags in order to create previews. As a content creator you need to explicitly write that html to allow sites like facebook to render a preview.