Why Web Scraping: A Full List of Advantages and Disadvantages

A web scraper is a chunk 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 selected web page, reading the HTML code, and sending it to the user.

Web scrapers are principally utilized by companies, developers, or groups of professionals with or (hardly ever without) technical knowledge for various data processing tasks. As chances are you’ll know, these are some of the most typical cases in which web data performs an enormous role: price and product intelligence, market research, lead generation, competitor analysis, real estate, and so on.

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

I am convinced that these aspects will enable you to accurately determine your web scraping needs, so let’s have a peek at them.

The advantages of web scraping

Web scraping is a method that features many positive and useful facets for many who use it. So, the following are some of the major however substantial advantages which have made this methodology so standard among numerous individuals and industries:


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

Imagine that somebody must copy and paste textual content, images, or other data daily — what a time-consuming process! Luckily, web scraping instruments nowadays make the extraction of data in massive volumes each simple and quick.


Data extraction by hand is an costly task that necessitates a big workpressure and huge budgets. Nonetheless, web scraping, like many other digital strategies, has solved this problem.

The completely different companies provided on the market handle to do this in a cost-effective and funds-pleasant manner. But it all will depend on the amount of data needed, the functionality of the required extraction tools, and your objectives. To optimize costs, some of the chosen web scraping tools is a web scraping API (in this case, I’ve prepared a particular part 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 ought to be confident that you’re obtaining data from various websites, not just a single page. It is attainable to have a big volume of data with a small investment to help you get the very best out of that data.

Low Maintenance

When it involves maintenance, the associated fee is something that’s typically ignored when putting in new services. Fortuitously, web scraping applied sciences want little to no upkeep over time. So, in the long term, services and budgets won’t undergo drastic changes by way of maintenance.


Another feature price mentioning is the speed with which web scraping services complete actions. Imagine that a scraping project that may typically take weeks is completed in a matter of hours. But after all, that will depend on the complicatedity of the projects, resources, and instruments used.

Data Accuracy

Web scraping companies are usually not only pace obsessive but also accurate. It’s a proven fact that human error is usually a factor when performing a task manually, and that can lead to more serious problems later on. Because of this, 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. But when it comes to web scraping, this can not happen. Or it occurs at the least in very small proparts, which might be easily corrected.

Effective Management of Data

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

Instead of this tedious work, web scraping allows you to pick and select which data you need to gather from varied websites after which use the correct 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 by web scraping can be a time-consuming and energy-intensive process. This is because the data comes as HTML code and that may be difficult for some to read. Don’t fear, though, there is software that can take care of that too!.

Website Modifications and Protection Insurance policies

Because websites’ HTML constructions change repeatedly, your crawlers will sometimes break. Whether you use web scraping software or write your own web scraping code, you’ll need to carry out some upkeep periodically to make sure your data collection 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 same website. Sendling plenty of HTTP requests from the same IP in just a few moments looks suspicious and it might get the IP banned. If in case you have a proxy pool, although, each request can come from a special IP.

Learning Curve

Web scraping isn’t just about one way of extracting data. And right here, I mean only one device or probably the most appropriate method. Whether or not you use a visual web scraping software, an API, or a framework, you’ll still should study the ropes. This can typically be difficult, depending on the knowledge stage of each user.

As a result, you’ll have to learn every process by yourself. For example, some instruments require learning web scraping strategies in a programming language like Javascript, Python, Ruby, Go, or PHP. Others may only require watching some on-line tutorials, and the job is just about executed by itself.

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