Life of a Google Query
The life span of a Google query normally lasts less than half a second, yet involves a number of different steps that must be completed before results can be delivered to a person seeking information.
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3. The search results are returned to the user in a fraction of a second. | 1. The web server sends the query to the index servers. The content inside the index servers is similar to the index in the back of a book - it tells which pages contain the words that match the query. |
2. The query travels to the doc servers, which actually retrieve the stored documents. Snippets are generated to describe each search result. | ||