Search Engine Optimization (SEO) is the process of making a website more visible in search results. Search engines crawl the web, following links from page to page, and index the content found. Crawlers follow rules. If you follow those rules closely, you give the site the best chances of showing up among the first results, increasing traffic.

A web browser is not the same thing as a search engine. A search engine is a website running software that searches data for specified information, then provides links to relevant websites.

Read further The basics of how Search works