FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (web spidering).

Detailed explanation-2: -A search engine spider, also known as a web crawler, is an Internet bot that crawls websites and stores information for the search engine to index. Think of it this way. When you search something on Google, those pages and pages of results can’t just materialize out of thin air.

Detailed explanation-3: -A web crawler, crawler or web spider, is a computer program that’s used to search and automatically index website content and other information over the internet. These programs, or bots, are most commonly used to create entries for a search engine index.

Detailed explanation-4: -Web Spidering, also known as Web indexing is a method to index context of websites by searching browsing World Wide Web. The purpose of web crawling is to provide up to date information in search results. Google and other search engines use web crawling in order to provide updated results.

Detailed explanation-5: -Crawling is the discovery of pages and links that lead to more pages. Indexing is storing, analyzing, and organizing the content and connections between pages. There are parts of indexing that help inform how a search engine crawls.