“Here you can follow the entire life of a search query, from the web, to crawling and indexing, to algorithmic ranking and serving, to fighting webspam,” Google Product Manager Jake Hubert saidin a blog post announcing the page.
“The site complements existing resources, including this blog [Google’s Inside Search blog], the help center, user forums, Webmaster Tools, and in-depth research papers. We hope the site helps to illuminate the split-second journey from algorithms to answers,” he added.
On the site you can check out an animated explanation of search, as well as take a closer look at Google’s major search algorithms and features. A live slideshow gives you a glimpse at how Google removes spam, and complementing graphs show the spam problem and how Google is fighting it.
Search enthusiasts can also read an included 43-page document on how Google evaluates its search results
You can check out How Search Works here.