Octoparse-web scraping

Originally published as https://www.octoparse.com/blog/what-is-a-web-crawler-and-how-does-it-work-at-your-benefit/?blogger= on March 28, 2022. A web crawler, also known as a web spider or search engine bot, is a bot that visits and indexes the content of web pages all over the Internet. With such an enormous amount of information, a search engine will be able to present its users' relevant information in the search results. What is a Web Crawler? The goal of a web crawler is to get information, often keep getting fresh information to fuel a search engine. If a search engine is a supermarket, what a web crawler does is like grand sourcing — it visits different websites/web pages, browses, and has the information stored in its own warehouse. When a customer comes over and asks for something, there will be certain goods to offer on the shelves. It sources by  indexing  web pages and the content they contain. The indexed content will be ready for retrieval and when a user searche...

  Web crawling makes it possible for all people to gather large amounts of data efficiently and save much time and effort. With the help of no-coding web crawling tools, people that know nothing about coding, ie. non-coders, are not be excluded from utilizing this technology. In this article, we will introduce you to what web crawling is, the steps to crawl a website, as well as how a no-code   web crawling tool   can help. Web Crawling Basics What is Web Crawling? Web crawling  refers to the process of  extracting specific HTML data  from certain websites by using a program or automated script. A web crawler is an Internet bot that systematically browses the World Wide Web, typically for creating search engine indices. Companies like Google or Facebook use web crawling to collect data all the time. Simply put, we can view a web crawler as a particular program designed to crawl websites in orientation and glean data. However, we are unable to get the URL ad...