Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
This plugin can convert JSON data type to table for html. JSON is used primarily to transmit data between a server and web application, as an alternative to XML. In these reasons todays many applications use json data format for data transferring. And you need json to table converter for html display.