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 below examines what happens on the client-side: Examining with Firebug, … Read more
This answers your problem. You can use JavaScript/Canvas to do the job but it is still experimental. Update: There is a library for this now https://html2canvas.hertzen.com/
Yes, Google Custom Search has now replaced the old Search API, but you can still use Google Custom Search to search the entire web, although the steps are not obvious from the Custom Search setup. To create a Google Custom Search engine that searches the entire web: From the Google Custom Search homepage ( http://www.google.com/cse/ … Read more
(2022) Use Server Side Rendering if possible, and generate URLs with Pushstate Google can and will run JavaScript now so it is very possible to build a site using only JavaScript provided you create a sensible URL structure. However, pagespeed has become a progressively more important ranking factor and typically pages built clientside perform poorly … Read more