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.

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.

A Simple Email Crawler in Python

I often receive requests asking about email crawling. It is evident that this topic is quite interesting for those who want to scrape contact information from the web (like direct marketers), and previously we have already mentioned GSA Email Spider as an off-the-shelf solution for email crawling. In this article I want to demonstrate how easy it is to build a simple email crawler in Python. This crawler is simple, but you can learn many things from this example (especially if you’re new to scraping in Python).

Crawler vs Scraper vs Parser

In the post we share the differences between Crawler, Scraperand Parser.

Simple JAVA email crawler

In the post we share with you the simple JAVA email crawler that crawls a input host (website) and searches for all the emails at the host and stores them.

The script uses JSoup library and the full project you may find here.

Node.js, Puppeteer, Apify for Web Scraping (Xing scrape) – part 2

In the post we share the practical implementation (code) of the Xing companies scrape project using Node.js, Puppeteer and the Apify library. The first post, describing the project objectives, algorithm and results, is available here.

The scrape algorithm you can look at here.

Inspyder Power Search Review

Inspyder Power Search is a crawling and scraping application which is more for straightforward scraping, using both XPath and Regex. The program has a simple, nice interface making it easy to learn and employ it.

Inspyder is designed for multiple purposes: