Mozilla, the corporation behind the Firefox web browser, has released its latest audited financial statement, revealing the majority of its $104.3million (£65 million) income had come from its deal with Google.
An agreement between the two companies sees the search company provide the web developer with a percentage of the income it gets from pay per click services accessed through the browser in exchange for being the program's default engine in the US and Europe.
The report listed a contract with an unnamed "search engine provider" – which commentators believe to be Google – as being responsible for 86 per cent of Mozilla's revenue in 2009, a slight decrease from the 91 per cent the year before.
With the deal expiring in 2011 and Google now offering its own Chrome browser as a competitor to Firefox, several people have raised concerns about the dependence Mozilla has on the organisation, although the firm has dismissed such worries.
Chrome has increased its presence in the internet browser market in recent months, with CNET News reporting the platform gained half a percentage point of market share in September, while Firefox was "essentially flat".
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