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Created with Fabric.js 1.4.5 2 *resources - Google navigates by crawling-the site owner chooses weather sitesare followed page to page a program that searches for and identifies items in a database that correspond to keywordsor characters specified by the user, used especially for finding particular sites on the World Wide Web. What are search engines? The world wide web is a big place. If you know the web address, or URL, of a site you can find it by typing it into the address bar along the top of your browser. But what if you dont know the URL?You can find pages by following links from other pages but usually it is easier to search for things using a search engine.These are programs that search an index of the world wide web for keywords and display the results in order. It is useful to think about the words that you use in your search. Too few and you will get too many results, too many and you may get no results at all.When you want to find the answer to a question, such as, What countries did the Vikings raid?’ You need to think about the important keywords.You could just type the whole sentence into the search engine but it will probably ignore some words, like joining words and punctuation. Instead it might save time to search for keywords like 'countries', 'Vikings' and 'raid'. A web search engine is a software system that is designed to search for information on the World Wide Web.The search results are generally presented in a line of results often referred to as search engine results pages (SERPs). The information may be a mix of web pages, images, and other types of files. Some search engines also mine data available in databases or open directories. Unlike web directories, which are maintained only by human editors, search engines also maintain real-time information by running an algorithm on a web crawler The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web. Search Engine Optimization
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