Wired.com have recently published an interesting look at google and it’s algorithm. One of my favourite parts of the article is where it breaks down the Key Advances the company has made over the years. To read the rest of the article, click here
Backrub [September 1997]
This search engine, which had run on Stanford’s servers for almost two years, is renamed Google. Its breakthrough innovation: ranking searches based on the number and quality of incoming links.
New algorithm [August 2001]
The search algorithm is completely revamped to incorporate additional ranking criteria more easily.
Local connectivity analysis [February 2003]
Google’s first patent is granted for this feature, which gives more weight to links from authoritative sites.
Fritz [Summer 2003]
This initiative allows Google to update its index constantly, instead of in big batches.
Personalized results [June 2005]
Users can choose to let Google mine their own search behavior to provide individualized results.
Bigdaddy [December 2005]
Engine update allows for more-comprehensive Web crawling.
Universal search [May 2007]
Building on Image Search, Google News, and Book Search, the new Universal Search allows users to get links to any medium on the same results page.
Real-Time Search [December 2009]
Displays results from Twitter and blogs as they are published.