Why Web Scraping: A Full List of Advantages and Disadvantages

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

Web scrapers are largely used by firms, builders, or teams of professionals with or (not often without) technical knowledge for various data processing tasks. As it’s possible you’ll know, these are some of the most typical cases in which web data plays an enormous function: price and product intelligence, market research, lead generation, competitor analysis, 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 convinced that these elements will aid you appropriately establish 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 helpful elements for individuals who use it. So, the following are a number of the main but substantial advantages that have made this method so fashionable amongst numerous people and industries:


The first and most vital benefit of web scraping is developing instruments which have simplified data retrieval from totally different websites to only a number of clicks. Data could nonetheless 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 other data every day — what a time-consuming process! Luckily, web scraping instruments nowadays make the extraction of data in massive volumes each easy and quick.


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

The completely different services provided on the market handle to do this in a cost-effective and budget-pleasant manner. However it all depends upon 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’ve prepared a special section 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 confident that you’re obtaining data from varied websites, not just a single page. It is possible to have a large volume of data with a small funding that will help you get the most effective out of that data.

Low Maintenance

When it comes to maintenance, the price is something that is typically ignored when putting in new services. Happily, web scraping applied sciences want little to no maintenance over time. So, in the long run, companies and budgets will not undergo drastic modifications by way of maintenance.


One other function worth mentioning is the pace with which web scraping services full actions. Imagine that a scraping project that may typically take weeks is completed in a matter of hours. However after all, that relies on the advancedity of the projects, resources, and tools used.

Data Accuracy

Web scraping providers aren’t only speed 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 critical problems later on. In consequence, accurate data extraction for any type of data is critical.

Human error is usually a factor when performing a task manually, as we all know, and that may lead to more severe problems later on. However when it involves web scraping, this can’t happen. Or it occurs at the least in very small proparts, which will be simply corrected.

Effective Administration of Data

By storing data with automated software and programs, your organization or workers will probably 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 acquire from varied websites and then use the correct instruments to gather it properly. Moreover, using automated software and programs to store data ensures that your info is secure.

Data Analysis

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

Website Changes and Protection Policies

Because websites’ HTML structures change repeatedly, your crawlers will generally break. Whether you utilize web scraping software or write your own web scraping code, you’ll must perform some upkeep periodically to make sure your data collection pipelines are clean and operational.

Moreover, it’s a good suggestion to spend money on proxies if you wish to do data scraping or crawling on multiple pages on the same website. Sendling loads of HTTP requests from the identical IP in just a number of moments looks suspicious and it may get the IP banned. If in case you have a proxy pool, though, each request can come from a distinct IP.

Learning Curve

Web scraping just isn’t just about one way of extracting data. And here, I imply only one software or probably the most appropriate method. Whether you use a visual web scraping tool, an API, or a framework, you’ll nonetheless must study the ropes. This can generally be tough, relying on the knowledge stage of every user.

Because of this, you’ll need to be taught each process by yourself. For example, some instruments 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 just about carried out by itself.

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