what is the main purpose of a web crawler program? To keep search engines updated!
They’re constantly checking sites for changes—new pages, dead links, etc. Sites block ’em to avoid server overload or to keep content private.
If you’re into tech, Apache Nutch is an open-source crawler worth checking out.
They’re constantly checking sites for changes—new pages, dead links, etc. Sites block ’em to avoid server overload or to keep content private.
If you’re into tech, Apache Nutch is an open-source crawler worth checking out.