Why Web Scraping: A Full List of Advantages and Disadvantages

A web scraper is a bit of software that automates the time-consuming process of extracting valuable info from third-party websites. Typically, this method involves sending a request to a particular web page, reading the HTML code, and sending it to the user.

Web scrapers are largely used by companies, developers, or groups of professionals with or (not often without) technical knowledge for varied data processing tasks. As you may know, these are some of the most typical cases in which web data performs a huge function: price and product intelligence, market research, lead generation, competitor analysis, real estate, and so on.

But besides definitions, people who can use web scraping, and use cases, there is a crucial subject that deserves to be addressed. What are the advantages and disadvantages of web scraping?

I’m convinced that these features will show you how to accurately determine your web scraping wants, so let’s have a peek at them.

The advantages of web scraping

Web scraping is a technique that includes many positive and beneficial elements for those who use it. So, the following are among the essential however substantial advantages that have made this technique so well-liked among various individuals and industries:


The primary and most important benefit of web scraping is developing instruments that have simplified data retrieval from completely different websites to only a number of clicks. Data might nonetheless be extracted earlier than this approach, but it was a tedious and time-consuming process.

Imagine that someone must copy and paste textual content, images, or other data every single day — what a time-consuming process! Luckily, web scraping tools nowadays make the extraction of data in massive volumes both simple and quick.


Data extraction by hand is an expensive task that necessitates a big workdrive and large budgets. Nonetheless, web scraping, like many different digital techniques, has solved this problem.

The completely different services provided on the market handle to do this in a cheap and finances-pleasant manner. However it all will depend on the quantity of data wanted, the functionality of the mandatory extraction instruments, and your objectives. To optimize prices, one of the vital chosen web scraping instruments is a web scraping API (in this case, I have prepared a particular part in which I talk more about them with a deal with pros and cons).

Easy Implementation

When a website scraping service begins gathering data, you should be assured that you are obtaining data from varied websites, not just a single page. It’s attainable to have a large volume of data with a small investment to help you get the most effective out of that data.

Low Upkeep

When it involves maintenance, the price is something that’s often ignored when installing new services. Thankfully, web scraping technologies want little to no maintenance over time. So, in the long term, companies and budgets is not going to undergo drastic changes by way of maintenance.


One other characteristic value mentioning is the speed with which web scraping companies full actions. Imagine that a scraping project that may typically take weeks is completed in a matter of hours. But of course, that is determined by the complicatedity of the projects, resources, and tools used.

Data Accuracy

Web scraping companies will not be only velocity obsessive but also accurate. It’s a fact that human error is commonly a factor when performing a task manually, and that may lead to more serious problems later on. Consequently, accurate data extraction for any type of data is critical.

Human error is commonly a factor when performing a task manually, as all of us know, and that can lead to more serious problems later on. However when it involves web scraping, this cannot happen. Or it happens at the very least in very small proparts, which may be easily corrected.

Effective Management of Data

By storing data with automated software and programs, your company or employees shall be able to spend no time copying and pasting data. So they can focus more time on creative work, for example.

Instead of this tedious work, web scraping permits you to pick and select which data you need to gather from varied websites after which use the fitting instruments to collect it properly. Moreover, utilizing automated software and programs to store data ensures that your info is secure.

Data Analysis

Processing the extracted data through web scraping can be a time-consuming and energy-intensive process. This is because the data comes as HTML code and that can be difficult for some to read. Don’t worry, although, there may be software that may take care of that too!.

Website Adjustments and Protection Insurance policies

Because websites’ HTML constructions change recurrently, your crawlers will sometimes break. Whether you use web scraping software or write your own web scraping code, you’ll have to perform some upkeep periodically to ensure your data assortment pipelines are clean and operational.

Moreover, it’s a good idea to invest in proxies if you want to do data scraping or crawling on a number of pages on the identical website. Sendling loads of HTTP requests from the identical IP in just just a few moments looks suspicious and it could get the IP banned. If you have a proxy pool, though, each request can come from a distinct IP.

Learning Curve

Web scraping isn’t just about one way of extracting data. And here, I imply only one tool or probably the most appropriate method. Whether you employ a visual web scraping tool, an API, or a framework, you’ll nonetheless have to be taught the ropes. This can typically be troublesome, relying on the knowledge level of each user.

Consequently, you’ll have to learn every process by yourself. For instance, some instruments require learning web scraping strategies in a programming language like Javascript, Python, Ruby, Go, or PHP. Others might only require watching some online tutorials, and the job is pretty much accomplished by itself.

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