• May 15, 2008

Four out of the five top referring Web sites to Wikipedia, which has grown nearly 8000% over the last five years, are search engines, led by Google, according to Nielsen Online.

In April, 61% of visitors from home and 66% of visitors from work to en.wikipedia.org were referred from Google, while Yahoo Search was the second-most-common referring site to English-language Wikipedia, referring 19% and 16% of visitors from home and work, respectively.

Other search providers to make the top referring destinations for Wikipedia were MSN/Windows Live Search and AOL Search.

--Tanya Irwin