The about and mentions markups are Homes of webpage schema which explicitly tell search engines like Google and Bing what matters a page is mainly about and what other subjects are just becoming talked about or referred to. The wordCount variable checks if articleElement exists. If it does, innerText extracts https://bookmarkzap.com/story19317253/the-rich-snippets-autom%C3%A1ticos-json-ld-opengraph-seo-diaries