Without search engines, content would all be hand picked..just like newspapers and magazines.
There are three basic stages for a search engine:
crawling - where content is discovered
indexing - where it is analysed and stored in huge databases and
retrieval - where a user query fetches a list of relevant pages.

Search engine working steps.
1. Crawling web page content
2. Indexing which means an information about website page stored in search engine database
3. Starting search engine queries process to get results over a site.

The search engines follow these four simple steps to work-
1.Auto crawling
2.Main programme creates database.
3.Main programme gives rank
4. Indexing is done

Without search engines, content would all be hand picked – just like newspapers and magazines. ... There are three basic stages for a search engine: crawling – where content is discovered; indexing, where it is analysed and stored in huge databases; and retrieval, where a user query fetches a list of relevant pages.

Without search engines, content would all be hand picked – just like newspapers and magazines

هل تريد الاستفسار عن عقارات فى قطر الدوحة , ادخل الان على مزاد قطر قسم عقارات مشاركة سكن و قم باختيار ما تبغي من شقق و فيلا باسعار مناسبه للكل

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Search Engines perform two major functions, CRAWLING is finding the relevant results based on what you type in the search bar, INDEXING is ranking the relevant results based on their popularity...

Crawling and building an index .......

Crawling, indexing, ranking.

The major functions of Search engine is Crawling and Indexing by using their respective bots.

Index your site.

You can refer to the information here :
makeuseof.com/tag/how-do-search-engines-work-makeuseof-explains/

How search engines work?
 

Search Engine basically works on two processes like Indexing |

Search engine works on concept like indexing and crawling