Web Scraping Ecommerce Websites Python



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Scrapy is a Python package for web scraping that allows developers to extract and parse unstructured data from websites. Learn how to use this cornerstone package of the web scraping toolkit. Sep 24, 2018 Web access leads to concern different, from the traditional Internet user base to a wider variety of users. Usage of Web 2.0 – The social Web contains a number of online tools and platforms where people share their perspectives, opinions, thoughts and experiences. Web 2.0 applications tend to interact much more with the end user.

You probably know how to use basic functions in Excel. It’s easy to do things like sorting, applying filters, making charts, and outlining data with Excel. You even can perform advanced data analysis using pivot and regression models. It becomes an easy job when the live data turns into a structured format. The problem is, how can we extract scalable data and put it into Excel? This can be tedious if you doing it manually by typing, searching, copying and pasting repetitively. Instead, you can achieve automated data scraping from websites to excel.

In this article, I will introduce several ways to save your time and energy to scrape web data into Excel.

Disclaimer:

There many other ways to scrape from websites using programming languages like PHP, Python, Perl, Ruby and etc. Here we just talk about how to scrape data from websites into excel for non-coders.

Getting web data using Excel Web Queries

Except for transforming data from a web page manually by copying and pasting, Excel Web Queries is used to quickly retrieve data from a standard web page into an Excel worksheet. It can automatically detect tables embedded in the web page's HTML. Excel Web queries can also be used in situations where a standard ODBC(Open Database Connectivity) connection gets hard to create or maintain. You can directly scrape a table from any website using Excel Web Queries.

The process boils down to several simple steps (Check out this article):

1. Go to Data > Get External Data > From Web

2. A browser window named “New Web Query” will appear

3. In the address bar, write the web address

(picture from excel-university.com)

4. The page will load and will show yellow icons against data/tables.

5. Select the appropriate one

6. Press the Import button.

Now you have the web data scraped into the Excel Worksheet - perfectly arranged in rows and columns as you like.

Web Scraping Ecommerce Websites Using Python

Getting web data using Excel VBA

Most of us would use formula's in Excel(e.g. =avg(...), =sum(...), =if(...), etc.) a lot, but less familiar with the built-in language - Visual Basic for Application a.k.a VBA. It’s commonly known as “Macros” and such Excel files are saved as a **.xlsm. Before using it, you need to first enable the Developer tab in the ribbon (right click File -> Customize Ribbon -> check Developer tab). Then set up your layout. In this developer interface, you can write VBA code attached to various events. Click HERE (https://msdn.microsoft.com/en-us/library/office/ee814737(v=office.14).aspx) to getting started with VBA in excel 2010.


Using Excel VBA is going to be a bit technical - this is not very friendly for non-programmers among us. VBA works by running macros, step-by-step procedures written in Excel Visual Basic. To scrape data from websites to Excel using VBA, we need to build or get some VBA script to send some requests to web pages and get returned data from these web pages. It’s common to use VBA with XMLHTTP and regular expressions to parse the web pages. For Windows, you can use VBA with WinHTTP or InternetExplorer to scrape data from websites to Excel.

With some patience and some practice, you would find it worthwhile to learn some Excel VBA code and some HTML knowledge to make your web scraping into Excel much easier and more efficient for automating the repetitive work. There’s a plentiful amount of material and forums for you to learn how to write VBA code.

Automated Web Scraping Tools

For someone who is looking for a quick tool to scrape data off pages to Excel and doesn’t want to set up the VBA code yourself, I strongly recommend automated web scraping tools like Octoparse to scrape data for your Excel Worksheet directly or via API. There is no need to learn to program. You can pick one of those web scraping freeware from the list, and get started with extracting data from websites immediately and exporting the scraped data into Excel. Different web scraping tool has its pros and cons and you can choose the perfect one to fit your needs. The below video shows how to leverage an automated web scraping tool to extract web data to excel efficiently.

Check out this post and try out these TOP 30 free web scraping tools

Outsource Your Web Scraping Project

If time is your most valuable asset and you want to focus on your core businesses, outsourcing such complicated web scraping work to a proficient web scraping team that has experience and expertise would be the best option. It’s difficult to scrape data from websites due to the fact that the presence of anti-scraping bots will restrain the practice of web scraping. A proficient web scraping team would help you get data from websites in a proper way and deliver structured data to you in an Excel sheet, or in any format you need.

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日本語記事:Webデータを活用!WebサイトからデータをExcelに取り込む方法
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Artículo en español: Scraping de Datos del Sitio Web a Excel
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Web scraping, web crawling, html scraping, and any other form of web data extraction can be complicated. Between obtaining the correct page source, to parsing the source correctly, rendering javascript, and obtaining data in a usable form, there’s a lot of work to be done. Different users have very different needs, and there are tools out there for all of them, people who want to build web scrapers without coding, developers who want to build web crawlers to crawl large sites, and everything in between. Here is our list of the 10 best web scraping tools on the market right now, from open source projects to hosted SAAS solutions to desktop software, there is sure to be something for everyone looking to make use of web data!

1. Scraper API

Website: https://www.scraperapi.com/

Who is this for: Scraper API is a tool for developers building web scrapers, it handles proxies, browsers, and CAPTCHAs so developers can get the raw HTML from any website with a simple API call.

Why you should use it: Scraper API is a tool for developers building web scrapers, it handles proxies, browsers, and CAPTCHAs so developers can get the raw HTML from any website with a simple API call. It doesn’t burden you with managing your own proxies, it manages its own internal pool of over a hundreds of thousands of proxies from a dozen different proxy providers, and has smart routing logic that routes requests through different subnets and automatically throttles requests in order to avoid IP bans and CAPTCHAs. It’s the ultimate web scraping service for developers, with special pools of proxies for ecommerce price scraping, search engine scraping, social media scraping, sneaker scraping, ticket scraping and more! If you need to scrape millions of pages a month, you can use this form to ask for a volume discount.

2. ScrapeSimple

Website: https://www.scrapesimple.com

Who is this for: ScrapeSimple is the perfect service for people who want a custom scraper built for them. Web scraping is made as simple as filling out a form with instructions for what kind of data you want.

Why you should use it: ScrapeSimple lives up to its name with a fully managed service that builds and maintains custom web scrapers for customers. Just tell them what information you need from which sites, and they will design a custom web scraper to deliver the information to you periodically (could be daily, weekly, monthly, or whatever) in CSV format directly to your inbox. This service is perfect for businesses that just want a html scraper without needing to write any code themselves. Response times are quick and the service is incredibly friendly and helpful, making this service perfect for people who just want the full data extraction process taken care of for them.

3. Octoparse

Website: https://www.octoparse.com/

Who is this for: Octoparse is a fantastic tool for people who want to extract data from websites without having to code, while still having control over the full process with their easy to use user interface.

Why you should use it: Octoparse is the perfect tool for people who want to scrape websites without learning to code. It features a point and click screen scraper, allowing users to scrape behind login forms, fill in forms, input search terms, scroll through infinite scroll, render javascript, and more. It also includes a site parser and a hosted solution for users who want to run their scrapers in the cloud. Best of all, it comes with a generous free tier allowing users to build up to 10 crawlers for free. For enterprise level customers, they also offer fully customized crawlers and managed solutions where they take care of running everything for you and just deliver the data to you directly.

4. ParseHub

Website: https://www.parsehub.com/

Who is this for: Parsehub is an incredibly powerful tool for building web scrapers without coding. It is used by analysts, journalists, data scientists, and everyone in between.

Why you should use it: Parsehub is dead simple to use, you can build web scrapers simply by clicking on the data that you want. It then exports the data in JSON or Excel format. It has many handy features such as automatic IP rotation, allowing scraping behind login walls, going through dropdowns and tabs, getting data from tables and maps, and much much more. In addition, it has a generous free tier, allowing users to scrape up to 200 pages of data in just 40 minutes! Parsehub is also nice in that it provies desktop clients for Windows, Mac OS, and Linux, so you can use them from your computer no matter what system you’re running.

5. Scrapy

Website: https://scrapy.org

Who is this for: Scrapy is a web scraping library for Python developers looking to build scalable web crawlers. It’s a full on web crawling framework that handles all of the plumbing (queueing requests, proxy middleware, etc.) that makes building web crawlers difficult.

Why you should use it: As an open source tool, Scrapy is completely free. It is battle tested, and has been one of the most popular Python libraries for years, and it’s probably the best python web scraping tool for new applications. It is well documented and there are many tutorials on how to get started. In addition, deploying the crawlers is very simple and reliable, the processes can run themselves once they are set up. As a fully featured web scraping framework, there are many middleware modules available to integrate various tools and handle various use cases (handling cookies, user agents, etc.).

6. Diffbot

E-commerce Websites Templates

Website: https://www.diffbot.com

Who is this for: Enterprises who who have specific data crawling and screen scraping needs, particularly those who scrape websites that often change their HTML structure.

Why you should use it: Diffbot is different from most page scraping tools out there in that it uses computer vision (instead of html parsing) to identify relevant information on a page. This means that even if the HTML structure of a page changes, your web scrapers will not break as long as the page looks the same visually. This is an incredible feature for long running mission critical web scraping jobs. While they may be a bit pricy (the cheapest plan is $299/month), they do a great job offering a premium service that may make it worth it for large customers.

7. Cheerio

Website: https://cheerio.js.org

Who is this for: NodeJS developers who want a straightforward way to parse HTML. Those familiar with jQuery will immediately appreciate the best javascript web scraping syntax available.

Why you should use it: Cheerio offers an API similar to jQuery, so developers familiar with jQuery will immediately feel at home using Cheerio to parse HTML. It is blazing fast, and offers many helpful methods to extract text, html, classes, ids, and more. It is by far the most popular HTML parsing library written in NodeJS, and is probably the best NodeJS web scraping tool or javascript web scraping tool for new projects.

Web Scraping Ecommerce Websites Python

8. BeautifulSoup

Website: https://www.crummy.com/software/BeautifulSoup/

Who is this for: Python developers who just want an easy interface to parse HTML, and don’t necessarily need the power and complexity that comes with Scrapy.

Why you should use it: Like Cheerio for NodeJS developers, Beautiful Soup is by far the most popular HTML parser for Python developers. It’s been around for over a decade now and is extremely well documented, with many web parsing tutorials teaching developers to use it to scrape various websites in both Python 2 and Python 3. If you are looking for a Python HTML parsing library, this is the one you want.

9. Puppeteer

Web Scraping Using Python

Web Scraping Ecommerce Websites PythonWeb

Website: https://github.com/GoogleChrome/puppeteer

Who is this for: Puppeteer is a headless Chrome API for NodeJS developers who want very granular control over their scraping activity.

Why you should use it: As an open source tool, Puppeteer is completely free. It is well supported and actively being developed and backed by the Google Chrome team itself. It is quickly replacing Selenium and PhantomJS as the default headless browser automation tool. It has a well thought out API, and automatically installs a compatible Chromium binary as part of its setup process, meaning you don’t have to keep track of browser versions yourself. While it’s much more than just a web crawling library, it’s often used to scrape website data from sites that require javascript to display information, it handles scripts, stylesheets, and fonts just like a real browser. Note that while it is a great solution for sites that require javascript to display data, it is very CPU and memory intensive, so using it for sites where a full blown browser is not necessary is probably not a great idea. Most times a simple GET request should do the trick!

10. Mozenda

Website: https://www.mozenda.com/

Who is this for: Enterprises looking for a cloud based self serve webpage scraping platform need look no further. With over 7 billion pages scraped, Mozenda has experience in serving enterprise customers from all around the world.

Why you should use it: Mozenda allows enterprise customers to run web scrapers on their robust cloud platform. They set themselves apart with the customer service (providing both phone and email support to all paying customers). Its platform is highly scalable and will allow for on premise hosting as well. Like Diffbot, they are a bit pricy, and their lowest plans start at $250/month.

Honorable Mention 1. Kimura

Web scraping ecommerce websites python programming

Website: https://github.com/vifreefly/kimuraframework

Who is this for: Kimura is an open source web scraping framework written in Ruby, it makes it incredibly easy to get a Ruby web scraper up and running.

Why you should use it: Kimura is quickly becoming known as the best Ruby web scraping library, as it’s designed to work with headless Chrome/Firefox, PhantomJS, and normal GET requests all out of the box. It’s syntax is similar to Scrapy and developers writing Ruby web scrapers will love all of the nice configuration options to do things like set a delay, rotate user agents, and set default headers.

Honorable Mention 2. Goutte

Web Scraping Ecommerce Websites Python Tutorial

Website: https://github.com/FriendsOfPHP/Goutte

Who is this for: Goutte is an open source web crawling framework written in PHP, it makes it super easy extract data from the HTML/XML responses using PHP.

Why you should use it: Goutte is a very straight forward, no frills framework that is considered by many to be the best PHP web scraping library, as it’s designed for simplicity, handling the vast majority of HTML/XML use cases without too much additional cruft. It also seamlessly integrates with the excellent Guzzle requests library, which allows you to customize the framework for more advanced use cases.

The open web is by far the greatest global repository for human knowledge, there is almost no information that you can’t find through extracting web data. Because web scraping is done by many people of various levels of technical ability and know how, there are many tools available that service everyone from people who don’t want to write any code to seasoned developers just looking for the best open source solution in their language of choice.

Hopefully, this list of tools has been helpful in letting you take advantage of this information for your own projects and businesses. If you have any web scraping jobs you would like to discuss with us, please contact us here. Happy scraping!