Web scraping, sometimes known as harvesting, is the automated process of finding content on Web pages and converting it into another form for use on another Web site.The appropriation of some content may be legally or ethically questionable, but not all Web scraping is unsavory.A news site may, for example, regularly scrape public records on government Web sites for information it pours intodatabases that allow users to more easily check a contractor’s background, say, or the amount of crime in a neighborhood.
More reading: