Search engines use crawlers, also called bots, to visit websites on a regular basis and index their content. As a result, users can enter search terms in an external search engine and directly filter on only those websites containing the most relevant information.
For example, Google regularly crawls docs.fluidtopics.com. Since the Google crawling tool indexes content from docs.fluidtopics.com, users can search for and access Fluid Topics' documentation via Google's list of search results. When searching for "enrich and clean" on Google, the "Enrich and Clean" technical note on docs.fluidtopics.com appears at the top of the list of search results: