Understanding Search Engines and SEO Techniques
Search engines like Google use web crawlers to index web content, which is then ranked based on relevance to user searches. Search Engine Optimization (SEO) techniques help websites rank higher by optimizing content for key words. SEO process involves crawling, indexing, and ranking to improve visibility online.
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Presentation Transcript
SEARCH ENGINES IBRAHIM KAMARA
WHAT IS A SEARCH ENGINE? A search engineis an Internet program designed to search the World Wide Web, or Internet, for documents containing key words entered into the engine s search bar by the user.
EXAMPLE OF SEARCH ENGINES 1988 2009 1994
HOW DO THEY WORK Crawling Indexing Ranking
CRAWLING / WEB CRAWLING Search engines deploy a spider, or Web crawler, which is a software that systematically browses the World Wide Web, for the purpose of indexing web content.
CRAWLING / WEB CRAWLING - Content - Page titles - Headers - Keywords - Images - Links pages - And much more
Indexing The process of collecting, parsing, and storing data for use by the search engine. Data is stored in a place referred to as the search engine index.
Ranking Ranking refers to the position at which a particular listing appears on the search engine results page (SERP) Returns results most relevant to the user. A site is said to have a high ranking when it appears at or near the top of the list of results. Google s core search algorithm incorporates over 200 ranking factors.
SEO(SEARCH ENGINE OPTIMIZATION) This technique helps your site to rank higher than the other sites in response to key words when searched SEO PROCESS : CRAWL INDEX RANK
