URL scraping is the process of automatically extracting and filtering URLs of webpages which have specific features. Thousands of webpage URLs can be extracted from URL scraping process.
The sought after features vary according to the goal of the process. For example, for a comment spam campaign, only webpages whith dofollow comments and good PageRank may be scraped.
URL scraping cab be also used to identify relevant pages for asking natural backlinks.
More often, the starting point of URL scraping is Google search engine.
URL scraping is done through an URL scraping software. See URL scraping tool for more details about the process.
See also Google scraping.