Crawlers (or bots) are used to collect data available on the web. By utilizing website navigation menus, and reading inside and external hyperlinks, the bots begin to understand the context of a web page. Of course, the words, photographs, and different information on pages additionally assist search engines like google https://gregory43j78.blogars.com/34801738/what-is-an-seo-expert-google-search-central-documentation