For today’s era, the word scraping has a great importance. The process of finding and utilizing the critical data in order to improve the business productivity is the latest and the on-demand requirement for today. Everyone knows about the term web scraping, but there are certain myths about web scraping which I would like to discuss with you all.
We all know that web scraping is the term which is quite responsible for the business growth also have the ability to generate a huge difference in the business world. So to move with the same and experience a great result, it is quite obvious that you should know about the myths regarding web scraping.
Let’s move on to some.
Web data extraction and web scraping are same
Web scraping can be defined as the procedure to extract various data using the scripts and applications using the browser. Whereas, web data extraction is beyond that. It is used to collect and convert the unstructured data so that it can be used by the businesses. It is used to extract a specific and desired data which is used to quickly access the sites so that it can monitor millions of data efficiently.
Web scraping is an illegal process
Many of us think that web scraping is an illegal process which, makes no sense if is accomplished with certain rules. To make you assure I would like to mention that Google is called as a web crawler. However, you need to follow the best practices while scraping any website. Also, you need to be concerned while scraping those websites which had blocked crawlers or have TOS page, which states their objection for the web scraping process should be avoided from crawling, as this will help you to stay in the legal zone.
Web scraping is volatile
It is noted that repairment is required for 25% of the belonging web scrapers, due to the constant changes made on the web. If you are using the homegrown software for web scraping then this can describe your situation very well. It also means that you are to assign your resources so that to fix problems in code than creating agents which can capture more data. Different sites are to be treated differently and the moment you find any peculiar action for one site then have to continue with the another one.
Web scraping generate usable data
Web scraping is used to scrape the source websites, gather predefined data from them and save them to a dump file. This all in no way give the guarantee that it provide you a quality and usable data. In fact, the initially scraped data often contain noise entries. Here noise refers to the unwanted or useless elements that have no use. But to assure you with the efficiency of this of this process other processes also take place such as formatting, duplication, and cleansing so that you can use the same for your analytical process.
Web crawlers are used to crawl entire web
It was found that many people believe that web crawlers are able to crawl the whole web as if it is having some superpower. This is totally not possible. It is like if you need any data from any website then will get to know the origin where you will find them or where they are available. The thing which you should know is that web crawling script is written only for some targeted website then there is no reason in considering it as the whole web crawler. As the website doesn’t follow the universal structure so it is impossible to write a script which crawls the whole or multiple webs.
Over to you
These were some of the myths regarding the web scraping. Hope now you are able to clear your doubt on that.
At last, I just want to say that makes an efficient use of web scraping by avoiding the myths regarding them.
Don’t forget to share your views on this blog post.