Search engines operate using robots they have developed, called spiders or crawlers, crawling billions of pages every day. These crawlers follow links from page to page, adding new content to the search engine's index along the way. Whenever you use a search engine, it uses an algorithm to find and rank results using information from its index.If you're scratching your head, we understand.
Search engines are complicated.But if you want your website to climb the rankings and gain more traffic, you need to know how it works. Below we cover C级执行名单 everything you need to know about how a search engine works.Contents1 What are search engines?2 The fundamentals of research 2.1 Crawl2.2 Indexing2.3 Classification3 What do search engines want? / What is the purpose of search engines?4 How does a crawler robot work?5 What is indexing?5.1
How do search engines build their index?5.1.1 From backlinks5.1.2 From site plans5.1.3 From URL submissions 6 Why do some pages display higher than others?6.1 Backlinks6.2 Liaison Authority6.3 Relevance of the link6.4 Relevance6.5 Freshness6.6 Topic Authority6.7 Page Speed6.8 Mobile friendliness7 What happens when a search is performed?7.1 How search algorithms work 7.1.1 Service of your request 7.1.2 Relevance of web pages 7.1.3 Quality of content7.1.4 Use of web pages8 How search engines personalize search results 8.1 Location8.2 Language8.3 Search history9 Present the results in a useful way 10 How do search engines make money?What are search engines?
Search engines find and rank Internet content to meet a user's query.Every search engine has two main parts: Search IndexAlgorithmThink of the index as a digital library full of web content. The algorithm is a computer program that ranks library content against the user's search query.Here are some of the most popular search engines in the world: