Google’s web search (and web search infrastructure) team tries to do several things well:
- We want the most comprehensive index of the web. We explore ways to crawl the web deeper, faster, and better, from increasing our index size or indexing speed to crawling web forms to discovering links in JavaScript.
- We try to return relevant, useful results. Hundreds of people work on lots of improvements to our ranking algorithms.
- We try to return your search results really fast.
- We try to improve our search user interface (UI).
The first three things aren’t highly visible. Average users might not notice changes like Caffeine (improved indexing) or a better algorithm to detect hacked sites–although we have seen effects like users searching more when we deploy a fresher index. A bunch of people at Google have come up with amazing ways to make your search results faster. We’ve shared many of those insights to help make the web faster as a whole.
A key insight behind Google Instant is that if we want to get people answers and solve their problems faster, we can help with that by improving our UI to help you formulate queries more quickly (and then doing a bunch of hard work under the hood to answer that query too). Google typically returns search results in milliseconds, but it takes several seconds for you to type a query. In other words, the limiting factor on a typical search is you. :) With predictive search and instant results, you can often get the answer you want much faster.
Source: Thoughts on Google Instant
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