Search Engine
It is a software system on the Internet designed to search for information on the World Wide Web, as these engines display search results in a line of results known as results pages, and these results contain mixed information from different web pages, images, and videos, and are now used by most search engines Algorithmic operating method, and most search engines are commercial enterprises that earn most of their profits from ads
The most famous search engines
WebCrawler. Lycos. Daum. Excite effects. Sapo. Yahoo !. Dogpile. HotBot. Ask Jeeves. Yandex. Google Google. Xquick Ixquick. MSN Search Engine. Jenny Knows; GenieKnows. Naver. Baidu. Xlade Exalead Zeef ZEEF. Yassi YaCy.
How search engines work
The engines store the information for many web pages, and the engines get this information from the web crawler known as the spider, and the Hunkboot indexes the results on the search engine, and the owner of the search engine website can prepare certain pages for various reasons by using a robots file
.txt which means excluding the botnet protocol; Where this technology is mostly used to remove sites that contain malware or deceptive information. The search engine analyzes the contents obtained from the website; As he analyzes them page by page; This is in order to know how it can be indexed again, and then this data is stored from web pages in a database located in the search engine
This data is used when inquiring about it at a later time. The user performs the query process on a specific topic; By using keywords known as keywords, the search engine here studies these words to provide the user with results.
The evolution of search engines
The search engine Ashi is the first search engine, and it was designed in the year one thousand nine hundred and ninety by a group of computer science students who are studying at McGill University in Montreal, Canada, and the engine relied on downloading a directory listing of all files in the file protocol.
Matthew Gray made the first robot on the Internet in one thousand nine hundred and ninety-three. The first Internet search engine was released in September of the year one thousand nine hundred and ninety-three at the University of Geneva, and it was called W3Catalog. In the year one thousand nine hundred and ninety-eight, the world's largest search engine, known as Google, was launched, and it is still ranked first among high-quality search engines.
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