All the most famous search engines in the world - Google, Bing, Yahoo, Baidu - use robots and certain clear algorithms to collect all the search information, by which they can find your resource on the Internet and bring it to the top list.

When a user enters a search term or query into Google, the search engine receives a list of results that it considers most relevant, accurate and useful for that query.

This is why all websites are trying to get into the top 10 of Google, because studies have shown that 95% of all customers come from organic and highly ranked sites. you can go to this site https://webugol.com/  they provide SEO services of very good quality