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/20210704052400/https://docs.github.com/cn/github/authenticating-to-github/troubleshooting-ssh/error-permission-to-userrepo-denied-to-other-user