Web
scraping refers to the method of extracting web data for varied
purposes. Also often termed as spidering or crawling, it leverages
sophisticated tools and techniques to gather data from a particular
website. Big companies use web scraping to strengthen their database
and earn sumptuously by using or selling the contained data. Even
Google draws billions of dollars by seeking the permission from
websites to index their internal pages, which is called as third
party scraping. However, engines doing the task of scraping not only
index the data but also convert it into a format that makes it easy
to transfer to a spread sheet or database.
Web
scraping is a common process that companies use for the benefit of
their organizations or in the interest of the clients. However, such
ubiquitous use doesn’t deter to raise the question – Is web
scraping legal? Well, the answer is a sort of mixed bags. While it is
legal to use web scraping techniques for the benefit of the
humankind, certain unscrupulous acts also keep affecting the ethics
of web scraping now and then. Let’s have a glimpse of both these
aspects.
Benefits
to support legal face of web scraping
Several
fields utilize web data extractor tools for the benefit of society
and hence contribute in endorsing the legal aspect of web scraping.
For instance, several mobile apps extract information from important
sources online, to inform you about your spending habits. This makes
you more attentive and aware on making unnecessary purchases hence
keeping a check on your financial obligations. News Channels and
weather forecasting departments often deploy web data extractor to
estimate the trend of future climatic conditions and make the people
aware about the same.
Healthcare
is another vital field where web scraping companies find religious
use. The organizations in this domain leverage web scraping service
to get information on the use of their healthcare services. It also
furnishes vital details on the customer’s perception of the
organization and the volume of implementation of different facilities
it offers. Web scraping technique is also helpful in preparing a
directory of healthcare providers working with a particular medical
care center. The patients find it easier to search for the medical
practitioner that could treat their health problem. All this
contributes in building a healthy relationship between the healthcare
organization and the patients.
Activities
that hamper the ethics of web scraping
Unfortunately,
legal and ethical issues in healthcare keep on prevailing due to the
presence of certain fraudulent people in the industry. For instance,
the hackers may intrude into a hospital’s confidential data and
steal vital information about the patients, doctors, and equipment.
The security of the involved people and objects may get compromised
under any such circumstance.
Moving
over, web scraping could give rise to severe legal and ethical issues
since it involves the reading of websites at a speed, which is way
faster than humans. Rapid request from a data scraping company can
tend the server to face handling problems, which could ultimately
lead to slow processing of the website. This attack is called as
“Denial of Service”, which the hackers often use for wrong
intentions.
The
cases of scraping the content from one website and posting it on
another website are also common. If the victim website protects its
content under copyright, intellectual property and trademark laws,
the defaulters are likely to face strict action under any such
occurrence.
Web
scraping techniques
A
web scraping company leverages numerous tools and techniques to
extract data from a website. It is however always good if it performs
the web scraping activity through legal ways and avoids unethical
approach. Some of the widely web scraping techniques and tools
include:
-
Use of codes and specific functions for web data extraction and format conversion
-
The use of metadata and annotations
-
Human copy-paste
-
HTML Programming and parsing
-
Platforms for vertical aggregation
-
Software like Import.io, Uipath, Screen Scraper, Kimono, etc.
Summary:
Certain legal and ethical issues surround the web scraping techniques. It is however always better to perform web scraping
through legal ways. Certain tools and techniques to perform this task
include human copy-paste, html programming, and tools like Import.io,
Uipath, and more.
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