Lastly, (based on how the scraping bot is configured) the cluster of scraped data will be cleaned, put into a structure, and ready for download or transference to your database. Next, with the HTML source code at hand, the bot is able to reach the node where the target data lies and parse the data as it is commanded in the scraping code. 
With the target URL entered, it sends a request to the server and gets information back in the HTML file.
Firstly, a web scraping bot simulates the act of human browsing the website. In the meantime, instruments like Regex ( Regular Expression) enable data cleaning during the scraping process, which means people can get well-structured clean data one stop. Web scraping is a way of gathering data from web pages with a scraping bot, hence the whole process is done in an automated way. The technique allows people to obtain web data at a large scale fast. Last but not least, we present a list of free web scraping tools for your reference. How much do you know about web scraping? Don’t worry, even if you are new to this concept. In this article, we will brief you on the basics of web scraping, and teach you how to assess web scraping tools to get one that best fits your needs. 
Top 4 Web Scraping Plugins and Extensions.What Is Web Scraping and How It Is Used.
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