In this post we share with you how to perform web scraping of a JS-rendered website. The tools as seen in the header are JAVA with Selenium library driving headless Chrome instances (download driver) and JSoup as parser to fetch data of the acquired HTML.
When we use Selenium or Node.js + Puppeteer to run [headless] Chrome/Chromium we might need to add some extra functionality/conditions to launch browsers with. Below you’ll find all kinds of Conditions and their explanations.
How to use command line switches?
The Chromium Team has made a page on which they briefly explain how to use these switches.
The post will share with you the difference between the production and development builds of PWA. If you are not familiar to PWA (Progressive Web Application) please visit that blog post.
If you haven’t meet Netpeak Spider and Checker yet, let us explain to you why it worth your attention. These tools help SEOs and webmasters with in-depth SEO auditing, website and search engine scraping, comprehensive analysis, data aggregation from top SEO services (Ahrefs, Moz, SimilarWeb, Whois,…), and many more.
Handy Web ExtractorHandy Web Extractor is a simple tool for everyday web content monitoring. It will periodically download the web page, extract the necessary content and display it in the window on your desktop. One may consider it as the data extraction software, taking its own nitch in the scraping software and plugins.
It’s totally free and available for download.
I came across this tool a few weeks ago, and wanted to share it with you. So far I have not tested it myself, but it is a simple concept- Safely download web pages without the fear of overloading websites or getting banned. You write a crawler script using scruping hub, and they will run through there IP proxies and take care of the technical problems of crawling.
XPath is a formal language that is used to navigate through and query elements and attributes in XML documents. While this notation is being used in XSL and XQuery, it is very useful for DOM data access and extraction. XML documents and also HTML/XHTML documents are objects of DOM parsing while using XPath.
Since Selenium WebDriver is created for browser automation, it can be easily used for scraping data from the web. In this post we will consider some advantages and drawbacks of using WebDriver for web scraping.
Web scraping (a.k.a. web data mining, web data processing, web data extraction, web content extraction, web harvesting, web screen scraping, web crawling, web ripping, web content extraction, etc.) is a process of extracting useful information from the web.
Recently I was asked to help with the job of scraping company information from the Yellow Pages website using the ScreenScraper Chrome Extension. After working with this simple scraper, I decided to create a tutorial on how to use this Google Chrome Extension for scraping pages similar to this one. Hopefully, it will be useful to many of you.