How a Search Engine Works and Know the Terms Related To SEO

SEO mainly deals with an improvement of websites’ ranking in search engines. There are few terms in search engine optimization which quite confuse newbie bloggers. Google, Yahoo and Bing update their search engine algorithms frequently. You have to follow their basic rules. In this post I am describing about how a search engine works and the terms related to SEO. Let us understand how a search engine works.

How a Search Engine Works

• Google uses Crawler or spider (also known as Google Bot) which is used to fetch all the pages related to the website. This process of getting all the pages is known as Crawling.
• After fetching the web pages, the next step is to indexing of all pages and storing all in a database for further process. Indexing means to recognize the contents of the pages which are best suitable for the selected keywords by user.
• After hitting the search button search engine compares the search string with the pages which are indexed in its database. This term is referred as Processing of a search engine.
•  It is obvious that there are some pages relevant to the search string. Here Search engine calculates the relevancy in all indexed pages with the search strings.
•  At last, the best suitable results are displayed in the browser.

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