There are a number of commentators on the web that purport the level of adoption for Google Analytics i.e. market share. This is a short post to summarise the latest figures that I consider as solid and reliable. If you have conducted a study yourself, or know of other reliable sources of adoption numbers, please share the results in the comments section. I maintain a snapshot of major brands using Google Analytics – here.

• Half of the web uses GA
  A 2010 study by Metric Mail who analyzed the pages of Alexa’s Top 1 million domains by searching for the GATC text within pages, found Google Analytics was on 50% of domains.
  http://metricmail.tumblr.com/post/904126172/google-analytics-market-share

• 45% of Fortune 500 companies use GA
  A 2011 study by Stéphane Hamel at Cardinal Path, revealed 64% of the top 500 U.S. retail sites and 45% of Fortune 500 companies use Google Analytics.
  www.cardinalpath.com/web-analytics-vendors-market-share

• 86% of surveyed businesses use GA
  A 2011 survey of 800 businesses (two-thirds of them from the UK) revealed that 86 percent are using Google for analytics compared to 66 percent just two years ago.
  Econsultancy.com – “Online Measurement and Strategy Report 2011”