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 entails sending a request to a particular web web page, reading the HTML code, and sending it to the user.

Web scrapers are largely utilized by corporations, builders, or groups of professionals with or (rarely without) technical knowledge for various data processing tasks. As you might know, these are among the most typical cases in which web data performs a huge function: worth and product intelligence, market research, lead generation, competitor evaluation, real estate, and so on.

However besides definitions, individuals who can use web scraping, and use cases, there is an important topic that deserves to be addressed. What are the advantages and disadvantages of web scraping?

I’m satisfied that these elements will make it easier to correctly determine your web scraping wants, so let’s have a peek at them.

The advantages of web scraping

Web scraping is a technique that features many positive and useful aspects for many who use it. So, the next are some of the fundamental however substantial advantages that have made this technique so standard among various people and industries:


The first and most necessary benefit of web scraping is growing instruments that have simplified data retrieval from different websites to only just a few clicks. Data could still be extracted earlier than this approach, but it was a tedious and time-consuming process.

Imagine that somebody would have to copy and paste text, images, or different data each day — what a time-consuming process! Luckily, web scraping tools nowadays make the extraction of data in giant volumes both simple and quick.


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

The completely different providers provided on the market handle to do this in an economical and budget-friendly manner. But it all relies on the quantity of data needed, the functionality of the required extraction instruments, and your objectives. To optimize prices, one of the chosen web scraping tools is a web scraping API (in this case, I have prepared a special section in which I talk more about them with a give attention to pros and cons).

Easy Implementation

When a website scraping service begins gathering data, you need to be assured that you are obtaining data from varied websites, not just a single page. It is possible to have a big volume of data with a small funding that can assist you get the very best out of that data.

Low Upkeep

When it involves maintenance, the cost is something that is usually ignored when putting in new services. Luckily, web scraping applied sciences want little to no upkeep over time. So, in the long run, companies and budgets is not going to undergo drastic modifications when it comes to maintenance.


One other characteristic worth mentioning is the pace with which web scraping providers complete actions. Imagine that a scraping project that would typically take weeks is completed in a matter of hours. But after all, that is dependent upon the complexity of the projects, resources, and tools used.

Data Accuracy

Web scraping providers usually are not only pace obsessive but in addition accurate. It’s a undeniable fact that human error is usually a factor when performing a task manually, and that can lead to more critical problems later on. Because of this, accurate data extraction for any type of information is critical.

Human error is commonly a factor when performing a task manually, as we all know, and that may lead to more serious problems later on. However when it comes to web scraping, this cannot happen. Or it happens no less than in very small proparts, which could be simply corrected.

Efficient Administration of Data

By storing data with automated software and programs, your company or employees will likely be able to spend no time copying and pasting data. To allow them to focus more time on inventive work, for example.

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

Data Analysis

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

Website Modifications and Protection Policies

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

Moreover, it’s a good suggestion to invest in proxies if you want to do data scraping or crawling on multiple pages on the identical website. Sendling loads of HTTP requests from the identical IP in just a few moments looks suspicious and it could get the IP banned. When you’ve got a proxy pool, though, every request can come from a different IP.

Learning Curve

Web scraping just isn’t just about one way of extracting data. And right here, I imply only one device or the most appropriate method. Whether you use a visual web scraping software, an API, or a framework, you’ll still must be taught the ropes. This can generally be tough, relying on the knowledge level of each user.

Consequently, you’ll must be taught each process by yourself. For example, some tools require learning web scraping methods in a programming language like Javascript, Python, Ruby, Go, or PHP. Others may only require watching some online tutorials, and the job is pretty much achieved by itself.

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