As for Web Scraping, it involves the extraction of analytical data from the Web. Currently, web scrapping constitutes a major source of data extraction carried out by data miners. Indeed, almost everything is now available online and for any data miner, this resource is nothing short of a goldmine. The web scraping process In this method of data scraping, experts look for tips to format URLs into pages that include usable elements. information. Web scrapers then scan the DOM tree to extract data from the website. In simple language, web scrapers process the semi-structured or unstructured data pages of the desired website and then convert the resulting data into a well-structured form. Users can better collect or modify structured data. Web scraping – legal or unethical? It only depends on your intentions, whether you carry out this activity in the interests of the masses or simply want to satisfy your personal interests. If it is a good will, such as researching the stock index to predict the market situation in the coming days, it is very good. Another positive example could be to identify the market trend and suggest viable methods to the client to boost their business.