A search engine is an amazing technology that has emerged in the internet world. It allows people to search and find all the information they need. Search engines are programs that crawl through all the webs and fetch the list of documents and pages related to the query. They are designed to search for information on the World Wide Web and FTP servers.
History of Search Engines
Search engines specifically gained popularity in the mid 90s. One of the first full-text crawler-based search engines was WebCrawler, which came out in 1994 also called spider. The major search engines are Google, Bing, Ask, and Yahoo that lets users search for any keyword or query. The interesting fact is that 200 million searches are made each day across major search engines, nearly 70% of those searchers do not look beyond the 1st page of the natural search results, almost 68% completely skip over any paid ads, which is why a technique is needed to promote websites. Considering these facts it is highly crucial to appear on the top ten SERPs the non-paid search results for this search engine optimization are used.