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.
The Wayback Machine - https://webcf.waybackmachine.org/web/20210415171353/https://eu.wordpress.org/wp-json/oembed/1.0/embed?url=https%3A%2F%2Feu.wordpress.org%2F