What happens when you submit a web search?
If you have ever wondered what really happens why you search Google. Watch Matt Cutts explains the process. Matt Cutts leads the web spam team at Google, and works with the search quality team on search engine optimization issues.
The below video has been around since 2010 but its a great introduction into the process of a Google search.
The life span of a Google query is less then 1/2 second, and involves quite a few steps before you see the most relevant results. Here's how it all works
Video Copyright Google