Home The Advantages & Disadvantages Of Web Scraping Data

Tuesday30 November 2021

The Advantages & Disadvantages Of Web Scraping Data

Knowledge is power. Information is liberating." To realize access to the most effective pieces of data, you’re first going to want to collect some data. Web scraping, data mining and web crawling are efficient strategies that can help you easily compile and store data from websites on the internet.

In this piece we will examine what's web scraping, the benefits and disadvantages of web scraping and a few of the useful use cases for scraping data.

What's web scraping?
Web scraping refers to creating or utilizing a computer software to extract data from complete websites or a few web pages. Additionally once you carry out web scraping, you may either download all the web web page or key aspects such because the tag or article body content for additional analysis.


What are the benefits of web scraping for enterprise?
Achieve Automation
Robust web scrapers help you automatically extract data from websites, this permits you or your co-workers to save time that might’ve have in any other case been spent on mundane data collection tasks. It also means you can accumulate data at greater quantity than a single human might ever hope to achieve.

Additionally it’s potential so that you can create sophisticated web bots to automate on-line activities with either web scraping software or using a programming language corresponding to javascript, python, go or php.

Business Intelligence & Insights
Web scraping data from the internet means that you can seek for competitor costs, monitor their marketing activity and to swiftly market research your trade online. By downloading, cleaning and analysing data at significant volume, you’ll be able to build a greater picture of your market, your competitor’s activity which in flip will lead to higher business determination making.

Unique and rich datasets
The internet provides you with a rich amount of textual content, image, video and numerical data and at the moment contains not less than 6.05 billion pages. Depending upon what your goal is, you can find relevant websites, setup website crawlers and then make your own customized dataset for analysis.

For example, let’s fake you’re concerned about UK football and wish to understand the sports market in depth.

You might setup webscapers to gather the next info:

Video Content: To download all of the football games from YouTube or Facebook.com.
Football Statistics: You might download your desired crew’s historical match statistics.
WhoScored – Goal Data.
SoccerStats.
Betting Odds: You might acquire the betting odds for football matches from bookmaker’s comparable to Bet365 or from player betting exchanges equivalent to Betfair or Smarkets.
Create applications for tools that don’t have a public developer API
By web scraping data, you will never need to rely on the website releasing a public application programming interface (API) to access the data which they show on their webpages. There are a number of benefits to web scraping in comparison to accessing a public API:

You possibly can access and gather any data that's available on their website.
You aren't limited to a selected number of queries.
You don’t must sign up for an API key or have to abide by their rules.
Efficient Data Administration
Instead of copying and pasting data from the internet, you possibly can select what data you'll like to collect from a range of websites, then you possibly can accurately collect it with web scraping. For more advanced web scraping / crawling techniques your data will be stored within a cloud database, and will likely be running on a each day basis.

Storing data with computerized software and programs implies that your company, operations or employees can spend less time copying and pasting information and more time on artistic work.

What are the disadvantages?
You will must study programming, use web scraping software or to pay a developer
If you are looking to collect and organise an unlimited quantity of data from the internet, you will find that current web scraping software is limited in functionality. Although the software can be good for extracting several components from a web page, as quickly as you could crawl multiple websites they are less effective.

Subsequently you will need to either put money into learning web scraping methods in a programming language akin to javascript, python, ruby, go or php. Alternatively you possibly can hire a contract web scraping developer, regardless each of those approaches will add an overhead to your data assortment operations.

Websites frequently change their structure and crawlers require upkeep
As websites recurrently change their HTML construction, generally your crawlers will break. Whether you’re using web scraping software otherwise you’re writing the web scraping code, there's a certain quantity of maintenance that needs to be regularly performed to keep your data collection pipelines clean and operational.

For every website that you simply write a custom encoding script, adds on a certain quantity of technical debt. If lots of websites that you simply’re collecting data from all of the sudden resolve to redesign their websites, you will have to spend money on fixing your crawlers.

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