permalink query more
In the dataset aug_2019.json(mobile) 13772 (0.2599745311038799%) pages match the term below (closest 'standard' HTML native is <details> (on 14191 or 0.2678840089235522% of pages, the 102th most popular HTML element):
see details 
/* Matching: 
  /^fb:like$/ 
*/ 
[
  {
    "term": "/^fb:like$/",
    "matched": "fb:like",
    "pages": 13772
  }
]