How does Google Instant work?
Any ideas on exactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations? EDIT: I know there is AJAX sent with each keypress, but is it predictive? Or do you think it's just a regular ol' google search? UPDATE: Google have just published a blog article called Google Instant, behind the scenes . It's an interesting read, and obviously related to this question. You can read how they tackled the extra load (5-7X according to the article) on the server-side, for example. The answer