How do web scrapers work? Read this post we will discuss in this post for the best web scraping tool. United Lead Scraper is a custom web scraping tool for all kinds of websites in the world we daily update new scripts in United Lead Scraper for your need and help. Web scrapers extract any data from obvious websites or just arbitrary data. Ideally, you provide the data you need so that the web scraper can only extract that data as quickly as possible. For example, you might want to scour an Amazon page to see the types of juices available, but you might only want the data on the models of different juices and never the customer reviews. So when a web scraper needs to scrape a page, the URLs are given first. It then loads all the HTML for those pages and an advanced scraper can even extract all the CSS and JavaScript elements. The scraper then extracts the required data from this HTML code and extracts this data into the user-defined format. Often this is an ...