Google has emerged as the most visited site in US this year, followed by Facebook, reveals a study.
The survey, conducted by Nielsen, suggests that more than 153 million visitors clicked onto Google branded pages each month, while Facebook attracted close to 138 million visitors.
As Yahoo came third with about 130 million visitors each month, analysts warned that the site's tally might be at risk if young people continued to turn away from web-based email, the BBC reported.
Although Google trumped Facebook as the most popular web brand, it's Google+ network came far behind the social networking site in Nielsen's ranking of the most popular social networks and blogs.
Google+ came eighth in the list with 8.02m unique monthly visitors.
Google's YouTube was identified as the most popular destination for online videos, attracting more than three times the number of monthly visitors as the music video service Vevo.
The list, prepared by Nielsen, of the number of visitors to various websites is as follows -
1. Google - 153,441,000
2. Facebook - 137,644,000
3. Yahoo - 130,121,000
4. MSN/WindowsLive/Bing - 115,890,000
5. YouTube - 106,692,000
6. Microsoft - 83,691,000
7. AOL Media Network - 74,633,000
8. Wikipedia - 62,097,000
9. Apple - 61,608,000
10. Ask Search Network - 60,552,000.