Google has introduced a new website indexing system called Caffeine. According to Google’s blog, the new index makes search results 50 percent more accurate as compared with the previous version.

Caffeine will have the largest volume of Internet content of all the other indexing systems used by the search engine previously. At the same time, Google reports, the index will be updated faster than before. Therefore, users will see links to new sites in their search results faster than before.

The blog also explains that the previous version of the index consisted of several layers which were updated periodically, with each layer being refreshed at different rates. The new index will analyze internet sites on a continuous basis in small fragments.

The total volume of the Caffeine database exceeds 100 million gigabytes. Several hundred thousand gigabytes of new data added to the index.

User testing of the new system began in 2009 and continued through November of last year.

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