Google is gaining more gound in USA in report append below. With this surge, it is normal that many site owners will spend more time to optimize their site for Google. Even with dwindling market share, Yahoo still provide a good share of traffic to my sites. At this point in time, any SEO effort will still have to cover all the top three, namely Google, Yahoo and MSN. Others, to me is no longer significant.
Read more on report on Google gaining strength:-
Web search leader Google’s market share inched up to 64 percent of all queries among U.S. Internet searchers in March, gaining further ground against Yahoo and Microsoft, a survey released on Wednesday by Hitwise found.
The number of search queries on Google rose to 64.1 percent in March, compared with 63.9 percent in February and 58.3 percent a year ago, according to Hitwise, which bases its report on the surfing habits of 10 million U.S. Web users.
A more conservative survey by online measurement firm comScore Networks from February also showed how Google’s U.S. market share grew to 48.1 percent in February from a 47.5 percent share in January. On a global basis, comScore estimates Google held a 65.7 percent share of the Web search market.
Hitwise said Yahoo search queries slipped to about 21.3 percent from close to 21.5 percent in February and 22.3 percent in March 2006, while MSN Search dipped to 9.2 percent from 9.3 percent in February and 13.1 percent a year ago.