permalink query more
In the dataset aug_2019.json(mobile) 7768 (0.14663681074752682%) pages match the term below (closest 'standard' HTML native is <template> (on 8275 or 0.15620746767968388% of pages, the 105th most popular HTML element):
see details 
/* Matching: 
  /^fb:like-box/ 
*/ 
[
  {
    "term": "/^fb:like-box/",
    "matched": "fb:like-box",
    "pages": 7768
  }
]