Google has today launched one of the biggest revamps of its search engine in history, which it says will provide search results that are 70 per cent fresher than the current algorithm.The company says the new indexing system, dubbed "Caffeine" (their so-called Next Generation Search Engine), will provide the largest selection of web content ever offered on Google. It's faster - processing hundreds of thousands of pages in parallel every second - and takes up nearly 100 million gigabytes of storage in one database.
But, as happens with so many tweaks to Google's mysterious formula, some businesses and websites that rely heavily on Google referrals might see their traffic suffer as the changes could result in them falling further down the search rankings.
One obvious changes is that local contents which previously ranked higher in local Google is now pressed down in the result index pages as Google Caffeine synchronized it search results with its global ranking.
Before Caffeine rollout, certain website dominate certain keywords in local searches. Now, the same keywords is being obscured by websites that dominate in the global rankings.
Search engine optimisation (SEO) gurus have been working frantically to figure out the new system and how best to game it to their advantage.
Previously, new web pages were only added to Google's search results after Google had crawled the web for various terms and updated its indexes.
Now, the focus is on indexing new content within minutes of it being published. Google has already made significant strides in this direction with its "real-time search" feature, which can display new Twitter posts and images virtually instantaneously on the main search results page.
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