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4 Important Technical Questions for Product Management Interview
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How does Google Search Work?
There are 35 Trillion pages on the web pages, and to get the most relevant ten results out of all this is very tough. It is something like searching for a coin in the entire Bangalore. Google never search through every page when you ask for any specific query. Google store the information about all the web pages in some database and then search using efficient algorithms across that database to get the desired result.
So let’s understand how Google does it very efficiently. Google use a crawling mechanism in which it crawls over web pages and adds the webpages to the database (known as indexing of the webpage). Then it crawls all the outgoing links from the webpage to find the new webpage and index them. This process continues till Google is not able to find any new webpage. But daily, thousands of web pages are created, so crawling the webpages and indexing them is an ongoing process.
When you search a word in the google search bar, it goes to the entire indexing list and sees which is the most relevant page it should give you. Google use the PageRank algorithm. PageRank algorithm states that the importance of pages can be…
