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Node.js Website Crawler Tutorials

Whether you are looking to obtain data from a website, track changes on the internet, or use a website API, website crawlers are a great way to get the data you need. While they have many components, crawlers fundamentally use a simple process: download the raw data, process and extract it, and, if desired, store the data in a file or database. There are many ways to do this, and many languages you can build your spider or crawler in.

Node.js is a server development environment that facilitates building applications in JavaScript, and that are called by webpages using JavaScript. It is increasingly popular for web applications and websites that perform complex functions, including website crawling. These tutorials use Node.js to download the source websites and to perform the data extraction.

Use Node.js to Extract Data from the Web for Fun and Profit

This is a tutorial posted by John Robinson in using node.js to extract website data using node.js the Cheerio library.

A Quick Introduction to Node-Wit Modules For Node.js

This is a tutorial made by Wit Ai on how to use the Node-Wit module for Node.js server application. This covers steps on how to create a Node.js app, adding and installing dependencies, sending audio, creating an index.js file, and starting the app.

simplecrawler

This is the official documentation and tutorial for the simplecrawler library. The library is designed to provide a simple API for creating crawlers with Node.js. It include codes for both simple and advanced modes, as well as providing a list of configuration options.

Scraping the Web With Node.js

This is a tutorial made by Adnan Kukic about using Node.js and jQuery to build a website crawler. This include codes for the set up, traversing the HTML DOM to find the desired content, and instructions on formatting and extracting data from the downloaded website.

How to Scrape Web Pages with Node.js and jQuery

This is a tutorial made by Jaime Tanori on how to scrape web pages with node.js and jQuery. This includes instructions for setting up the Express framework, installing the modules, and explanations on building the simple web scraper using jQuery.

How To Use node.js, request and cheerio to Set Up Simple Web Scraping

This is a tutorial on how to use node.js, jQuery, and Cheerio to set up simple web crawler. This include instructions for installing the required modules and code for extracting desired content from the HTML DOM, calculated using Cheerio.

A Node.js WebSpider – Colour Coding

This is a quick tutorial about using node.js and CoffeeScript to build a simple web spider.

Easy Web Scraping With Node.js – miguelgrinberg.com

This is a tutorial posted by Miguel Grinberg about building a web scraper using Node.js and Cheerio. This provides instruction and sample code for downloading webpages using the request module in Node.js, and finding desired content using Cheerio with a calculated HTML DOM.

Create a simple web spider in node.js

This is a tutorial made by Licson Lee about creating a simple web spider in Node.js using the Cheerio, request, and async libraries. It provides sample codes, both for creating the database and the crawler, and gives a quick explanation of how the system works.

Web scraping with Node.js Matt’s Hacking Blog

This is a tutorial made by Matt Hacklings about web scraping and building a crawler using JavaScript, Phantom.js, Node.js, Ajax. This include codes for creating a JavaScript crawler function and the implementation of limits on the maximum number of concurrent browser sessions performing the downloading.

Building a webclient (a crawler) using Node.js – Code Maven

This is a tutorial made by Gabor Szabo about building a website crawler with Node.js. This include codes for downloading and parsing the data, and an explanation for how to deal with redirected pages.

Building a webclient (a crawler) using Node.js – Code Maven

This is a tutorial made by Gabor Szabo about building a website crawler with Node.js. This include codes for downloading and parsing the data, and an explanation for how to deal with redirected pages.

Scraping Websites with Node.js (+ Authentication)

This tutorial is about building a web crawler using Node.js and the Cheerio and Request libraries. This tutorial shows not only how to download data, but how to provide authentication to a website, and then to parse and extract the desired information.

Getting started with Selenium Webdriver for node.js

This is a tutorial made by Max Edmands about using the selenium-webdriver library with node.js and phantom.js to build a website crawler. It includes steps for setting up the run environment, building the driver, visiting the page, verification of the page, querying the HTML DOM to obtain the desired content, and interacting with the page once the HTML has been downloaded and parsed.

Web Scraping with node.js and cheerio

This is a tutorial about building a web crawler using Node.js and the Cheerio and Request libraries. This provides sample code for the main node file, server.js, and gives a brief explanation of how the code works and what it does.

Crawl you website including login form with Phantomjs – Adaltas

This is a tutorial made by Adaltas about crawling a website requiring a login form using jQuery-based JavaScript, Phantom.js to run the JavaScript, and Node.js for the server-side. It breaks the requirements for the crawler into multiple scripts, performing actions such as the: login action, function action, the action runner, and the pilot to control the system.

Scraping webpages using zombie.js

This is a tutorial by Peter Dehann about building a web crawer using Node.js and the Zombie.js library. This shows how to build the main app.js file for the Node.js server, and how to install zombie.js for use with the system.

Handling AJAX calls with Node.js and Express

This is a tutorial posted by Michael Herman about performing AJAX calls with Node.js and the Express library. It shows how to create both the server-side and client-side scripts, and shows how to store the data in MongoDB.

Web crawler, captured by NodeJs RSS news

This is a tutorial about building a web crawler to download and parse RSS feeds with a Node.js backend. This include steps for creating a new Node.js project, downloading the page with the request function, and storing the data in a MongoDB database.

Rate limited website scraping with node.js and async

This is a tutorial shows how to build a website crawler with Async and node.js. The processes include expanding async to use a delay timer with rate limiting, transforming javascript into code to perform the crawling, counting realtor IDs in the example, and running the crawler.

Website Crawlers

Looking to download a lot of data? Need to find the exact information in a gigantic internet haystack that you are looking for? These resources are designed to help you build spiders, crawlers, and other tools to obtain data from the internet.

Website Crawler Tutorials

Build website spiders and crawlers using: Python | PHP | Java | Node.js | Scrapy | Cheerio | Apache Nutch | MongoDB | PhantomJS.

Website Tools

These tools are designed to help you build your website, add content, and improve your website’s appearance.

Javascript Graphing Libraries

Add charts & graphs to your website using: Chart.js | Chartist.js | DC.js | Morris.js | Timeline.js | Vivagraph.js

Node.js Tutorials

How to install, program for, and implement Node.js for scalable and easy server-side Javascript for quick AJAX-style processing.

Parallax Website Design Techniques

Create websites with parallax scrolling using: jQuery.js | Stellar.js | Skrollr.js | CSS

Reveal.js

Parallax Web Design

Parallax website design moves one part of your website at a different speed than the rest of your page. This often creates a 3D-like effect, adding depth and interest to your webpage design. The resources, including themes, tutorials, and examples, are designed to help you build a website with parallax scrolling.

Parallax Web Design Resources

Parallax Technologies

Tools to create parallax scrolling websites: jQuery, Skrollr.js, Stellar.js, CSS

Parallax Tutorials

A Simple Parallax Scrolling Tutorial about how parallax scrolling works.

Tutorials for creating parallax websites using: jQuery | Stellar.js | Skrollr.js | CSS

Infininite Scrolling Web Design

Build an endless scrolling website, loading new content when your visitors reach the end of your webpage.

Infinite Scroll Tutorials

Tutorials about how to build an infinite scrolling website, including: WordPress, Drupal, Blogger, jQuery, Jetpack, Masonry, Isotope, and the Infinite-Scroll plugin for WordPress.

Infinite Scroll, Card Design Tutorial

How to build an infinite scrolling website with card design using Masonry, AJAX, JavaScript, PHP, and MySQL.

Website Theme Resources

Website themes are an easy to create a great website quickly. They provide a beginning point for you to build your websites, giving you layout, code, and functionality to work with. These resources are made to help you find the right theme to help you start building your website.

Website Theme Research

Our comprehensive, analytical research into the website theme industry, focusing on trends and major changes affecting website designers and website theme customers.

Theme Forest Analysis Report

Our Fall, 2014 Theme Forest Analysis Report shows a major shift in the theme marketplace. The empirical assesment of Theme Forest over a 28 month period indicates a series of interesting trends and patterns.

Analysis of Parallax Scrolling in Website Themes

Our assement of the popularity of parallax scrolling in website themes published on Theme Forest shows that parallax design elements are an increasingly popular trend.

WordPress Themes

Top Ranked WordPress Themes

The best WordPress themes for a new website, as calculated by our WordPress Theme Search Engine. These themes are selected for reliability, quality, popularity, and many other factors.

Parallax WordPress Themes

Top Ranked Parallax WordPress Themes: the best WordPress themes for creating websites with parallax scrolling, as ranked by our WordPress Theme Search Engine

10 Parallax WordPress Themes

10 Parallax WooCommerce WordPress Themes

Amazing WordPress Themes with WooCommerce and Parallax Scrolling

7 Amazing Parallax WordPress Themes

5 Wonderful Parallax WordPress Themes

eCommerce WordPress Themes

Top Ranked eCommerce WordPress Themes: the best WordPress themes for creating eCommerce websites, as ranked by our WordPress Theme Search Engine

10 Parallax WooCommerce WordPress Themes

5 Great eCommerce Website Themes, Built For WordPress

6 Amazing WordPress eCommerce Themes

5 Professional eCommerce Themes for Selling on Your Website

10 Great eCommerce WordPress Themes with WooCommerce

Finding WordPress & Drupal GPL Themes

How to find WordPress and Drupal themes licensed under the GNU Public License. These themes offer increased freedom and the ability to use your theme on multiple sites.

Drupal Themes

These themes are built for use with the Drupal content management system. Drupal is wonderful and quite popular for business websites.

Parallax Drupal Themes

Themes for creating parallax-scrolling 3D-depth-like effects and animations as visitors scroll down a page.

6 Parallax Drupal Themes

6 Professional Parallax Drupal Themes

Portfolio Drupal Themes

Themes built for making professionally designed portfolios.

5 Professional Drupal Portfolio Themes

5 Amazing Drupal Portfolio Themes

Corporate Drupal Themes

Themes built for making small, medium, and large business websites.

6 Corporate Drupal Themes

7 Professional Drupal Corporate Themes



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