Web scraping is a technology that is continuously developing, and there are several different factors one needs to know in order to know how to web scrape. First, the existing methods available for web scraping must first be understood. There are a handful of different ways to successfully scrape web content, and choosing the best one depends on what you want to achieve. Popular methods include HTML parsers, DOM parsers, text grepping, semantic recognizing, HTTP programming and custom designed web scraping software. As is the case with many technological based fields, truly effective web scraping requires help from skilled individuals who have experience in applying these methods, and others, in scraping web content for various purposes.