What is a Web Crawler and how does it work?

Nowadays, when having some questions, it almost comes naturally for us to just type it in a search bar and get helpful answers. But we rarely wonder how all that information is available and how it appears as soon as we start typing. Search engines provide easy access to information, but web crawling/scraping tools who are not so much known players have a crucial role in wrapping up online content. Over the years, these tools have become a true game-changer in many businesses including e-commerce. So, if you are still unfamiliar with it, keep reading to learn more.

Price2Spy Web Crawling Service for the Competitors Price Scraping

The number of companies which use web crawler is growing rapidly due to the current competitive market conditions. Because of that, the number of companies that offer this service is growing day by day. Since the use purpose of web crawler varies on a case to case basis, here is a more detailed explanation of the way that Price2Spy works.

Download a file from a link in Python

I recently got a question and it looked like this : how to download a file from a link in Python?

“I need to go to every link which will open a website and that would have the download file “Export offers to XML”. This link is javascript enabled.”

Let us consider how to get a file from a JS-driven weblink using Python :

Handy Web Extractor

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.

What is Crawlera?

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.

Using DOMXPath for parsing page content in PHP

The DOMXPath class is a convenient and popular means to parse HTML content with XPath.
After I’ve done a simple PHP/cURL scraper using Regex some have reasonably mentioned a request for a more efficient scrape with XPath. So, instead of parsing the content with Regex, I used DOMXPath class methods.

Python LinkedIn downloader

We’ve done the Linkedin scraper that downloades the free study courses. They include text data, exercise files and 720HD videos. The code does not represent the pure Linkedin scraper, a business directory data extractor. Yet, you might grasp the main thoughts and useful techniques for your Linkedin scraper development.

Scrape with Google App Script

In this post I want to let you how I ve managed to complete the challenge of scraping a site with Google Apps Script (GAS).

Extracting sequential HTML elements with XPath and Regex

Often, we need to extract some HTML elements ordered sequentially rather than in hierarhical order.

Scraper Google Chrome extension

Scraper is a Google Chrome extension. Scraper is a handy scraping tool, perfect for capturing data from web pages and putting it into Google spreadsheets. This tool stands in line with the other scraping software, services and plugins.