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://web.archive.org/web/20191104204623/https://www.blu-ray.com/movies/Senran-Kagura-Shinovi-Master-Complete-Series-Blu-ray/248335/