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WEB scraping - How to do it and what are the advantages?

WEB scraping - How to do it and what are the advantages?

Web scraping  is among programmers and webmasters a method to automate the extraction of any type of information from a website via internet.

Becoming one of the most current and advanced methods to take over some information from various online platforms, the software market has focused its activity in the development of specialized software of scanning sites in order to obtain databases, scripts or products.

Web scraping software has the ability to access the source code of a website where you extract useful information:

- Products; Prices; Text content; Images; Video; HTML files; Scripts;

Which is the concrete applicability of this method of scanning websites?

- Tracking the price of competing online stores;
- Takeover the products with all the necessary information (pictures, description, meta characteristics);
- Getting database of the various companies;
- Access to any lost information from sites that are no longer functional;

The most common technologies used in Web scraping are:

- Web Bots;

- Proxies;

- Multithreading;