Google's US search market share has increased by less than half a per cent over last month, the latest data from comScore has revealed.
comScore found that Microsoft's Bing search engine has also failed to match its previous growth, registering a negligible rise in its market share and ailing internet giant Yahoo has slipped further in the US search market.
Google's US market share was 66.3 per cent in October, up from 66.1 per cent in September. Microsoft's Bing search engine saw its market share increase from 11.2 per cent to 11.5 per cent in September.
Microsoft and Yahoo have signed a 10 year search deal to help compete against Google. As part of the deal, Bing will power searches on Yahoo.
Together, Bing and Yahoo's market share grew from 27.9 per cent last month, to 28 per cent.
The two companies are also planning to beat Google in terms of search advertisement, which accounts for a huge chunk of the online advertising budget for US companies.