| Rank | Site | Description | |
| 1 | google.com | 142M+ U.S. monthly people. The site attracts a more affluent, more educated audience. |
| 2 | yahoo.com | 123M+ U.S. monthly people. The site appeals to a more educated crowd. |
| 3 | facebook.com | 95M+ U.S. monthly people. The site appeals to a more affluent, young adult, very slightly female biased following. |
| 4 | youtube.com | 82M+ U.S. monthly people. The site appeals to a more youthful following. |
| 5 | msn.com | 80M+ U.S. monthly people. The site caters to a adult, more educated audience. |
| 6 | live.com | 77M+ U.S. monthly people. The site appeals to a more educated crowd. |
| 7 | microsoft.com | 74M+ U.S. monthly people. The site is popular among a skewing older, slightly male slanted following. |
| 8 | wikipedia.org | 70M+ U.S. monthly people. The site is popular among a slightly male slanted, more educated audience. |
| 9 | ebay.com | 64M+ U.S. monthly people. The site is popular among a more affluent, slightly male slanted audience. |
| 10 | myspace.com | 58M+ U.S. monthly people. The site is popular among a slightly female slanted, teen and young adult audience. |
| 11 | aol.com | 56M+ U.S. monthly people. The site caters to a very slightly female biased, younger crowd. |
| 12 | weather.com | 52M+ U.S. monthly people. The site is popular among a more educated, adult, more affluent, slightly more male than female crowd. |
| 13 | craigslist.org | 51M+ U.S. monthly people. The site attracts a very slightly male biased, fairly wealthy audience. |
| 14 | blogspot.com | 51M+ U.S. monthly people. The site appeals to a very slightly male biased, more educated audience. |
| 15 | answers.com | 51M+ U.S. monthly people. The site caters to a more educated audience. |
| 16 | ask.com | 50M+ U.S. monthly people. The site appeals to a slightly more female than male audience. |
| 17 | amazon.com | 47M+ U.S. monthly people. The site appeals to a adult, more educated crowd. |
| 18 | about.com | 43M+ U.S. monthly people. The site is popular among a very slightly female biased audience. |
| 19 | mapquest.com | 43M+ U.S. monthly people. The site appeals to a more educated, slightly female slanted, adult, more affluent crowd. |
| 20 | bing.com | 41M+ U.S. monthly people. The site is popular among a slightly more male than female crowd. |
| 21 | ehow.com | 37M+ U.S. monthly people. |
| 22 | mainstreet.com | 36M+ U.S. monthly people. The site appeals to a skewing older, more male audience. |
| 23 | adobe.com | 34M+ U.S. monthly people. The site is popular among a skewing older group. |
| 24 | wordpress.com | 31M+ U.S. monthly people. The site appeals to a more educated following. |
| 25 | windows.com | 30M+ U.S. monthly people. |
| 26 | reference.com | 29M+ U.S. monthly people. The site caters to a younger, more affluent audience. |
| 27 | walmart.com | 28M+ U.S. monthly people. The site caters to a very slightly female biased audience. |
| 28 | twitter.com | 28M+ U.S. monthly people. The site attracts a young adult, slightly more female than male audience. |
| 29 | paypal.com | 28M+ U.S. monthly people. The site appeals to a very slightly male biased, more affluent crowd. |
| 30 | go.com | 27M+ U.S. monthly people. The site appeals to a more affluent group. |
| 31 | photobucket.com | 26M+ U.S. monthly people. The site attracts a younger audience. |
| 32 | att.com | 22M+ U.S. monthly people. The site is popular among a very slightly female biased audience. |
| 33 | flickr.com | 21M+ U.S. monthly people. The site appeals to a slightly male slanted audience. |
| 34 | imdb.com | 21M+ U.S. monthly people. The site attracts a slightly more male than female audience. |
| 35 | cnn.com | 21M+ U.S. monthly people. The site attracts a skewing older, more educated, rather male, fairly wealthy group. |
| 36 | target.com | 20M+ U.S. monthly people. The site appeals to a somewhat female audience. |
| 37 | yellowpages.com | 20M+ U.S. monthly people. The site attracts a adult, very slightly female biased following. |
| 38 | monster.com | 19M+ U.S. monthly people. The site caters to a very slightly female biased following. |
| 39 | blogger.com | 18M+ U.S. monthly people. The site caters to a more educated, slightly male slanted audience. |
| 40 | webmd.com | 17M+ U.S. monthly people. The site attracts a skewing older, more female audience. |
| 41 | bankofamerica.com | 17M+ U.S. monthly people. The site attracts a adult, more affluent, more educated crowd. |
| 42 | chase.com | 17M+ U.S. monthly people. The site attracts a adult, slightly female slanted, more affluent, more educated audience. |
| 43 | hulu.com | 17M+ U.S. monthly people. The site caters to a slightly male slanted audience. |
| 44 | comcast.net | 16M+ U.S. monthly people. The site appeals to a more affluent, skewing older, very slightly female biased audience. |
| 45 | cnet.com | 16M+ U.S. monthly people. The site is popular among a largely male, adult, more educated audience. |
| 46 | mtv.com | 16M+ U.S. monthly people. The site attracts a younger, slightly female slanted group. |
| 47 | huffingtonpost.com | 15M+ U.S. monthly people. The site attracts a fairly wealthy, skewing older, more educated, very slightly male biased audience. |
| 48 | merriam-webster.com | 15M+ U.S. monthly people. The site attracts a more educated, fairly wealthy audience. |
| 49 | verizonwireless.com | 15M+ U.S. monthly people. The site is popular among a slightly female slanted, fairly wealthy crowd. |
| 50 | apple.com | 14M+ U.S. monthly people. The site attracts a fairly wealthy, younger audience. |
| 51 | linkedin.com | 14M+ U.S. monthly people. The site appeals to a more educated, fairly wealthy, middle aged group. |
| 52 | usps.com | 13M+ U.S. monthly people. The site caters to a adult, more educated following. |
| 53 | careerbuilder.com | 13M+ U.S. monthly people. The site is popular among a slightly female slanted group. |
| 54 | bbc.co.uk | 13M+ U.S. monthly people. The site attracts a more educated, rather male audience. |
| 55 | bestbuy.com | 13M+ U.S. monthly people. The site attracts a very slightly male biased crowd. |
| 56 | comcast.com | 13M+ U.S. monthly people. The site is popular among a adult, slightly female slanted, more educated group. |
| 57 | nytimes.com | 12M+ U.S. monthly people. The site appeals to a skewing older, fairly wealthy, very slightly male biased, more educated audience. |
| 58 | pandora.com | 12M+ U.S. monthly people. The site is popular among a more African American audience. |
| 59 | evite.com | 12M+ U.S. monthly people. The site is popular among a more educated, middle aged, somewhat wealthy, very slightly female biased audience. |
| 60 | hp.com | 12M+ U.S. monthly people. The site appeals to a 50+, slightly male slanted audience. |
| 61 | wellsfargo.com | 12M+ U.S. monthly people. The site is popular among a adult group. |
| 62 | bizrate.com | 12M+ U.S. monthly people. The site caters to a skewing older, more affluent audience. |
| 63 | people.com | 12M+ U.S. monthly people. The site caters to a more affluent, slightly female slanted, skewing older audience. |
| 64 | jcpenney.com | 12M+ U.S. monthly people. The site appeals to a primarily female, skewing older, more affluent audience. |
| 65 | reuters.com | 12M+ U.S. monthly people. The site attracts a heavily male, more affluent, more educated, skewing older following. |
| 66 | geocities.com | 12M+ U.S. monthly people. The site is popular among a slightly more male than female audience. |
| 67 | tripadvisor.com | 11M+ U.S. monthly people. The site appeals to a slightly more female than male, more affluent, skewing older, more educated audience. |
| 68 | metacafe.com | 11M+ U.S. monthly people. The site appeals to a mostly male audience. |
| 69 | netflix.com | 11M+ U.S. monthly people. The site caters to a adult, very slightly female biased, more educated audience. |
| 70 | ups.com | 11M+ U.S. monthly people. The site appeals to a adult, very slightly male biased, fairly wealthy audience. |
| 71 | examiner.com | 11M+ U.S. monthly people. The site is popular among a more affluent, skewing older, more educated group. |
| 72 | expedia.com | 11M+ U.S. monthly people. The site caters to a more affluent, very slightly female biased, more educated, skewing older audience. |
| 73 | verizon.com | 10M+ U.S. monthly people. The site appeals to a very slightly female biased following. |
| 74 | nbc.com | 10M+ U.S. monthly people. The site caters to a skewing older, more female audience. |
| 75 | ign.com | 10.0M+ U.S. monthly people. The site appeals to a younger, slightly more male than female audience. |
| 76 | capitalone.com | 9.8M+ U.S. monthly people. The site is popular among a very slightly female biased audience. |
| 77 | digg.com | 9.7M+ U.S. monthly people. The site appeals to a more male, more educated crowd. |
| 78 | wunderground.com | 9.7M+ U.S. monthly people. The site attracts a skewing older, more affluent, more male, mostly Caucasian, more educated crowd. |
| 79 | howstuffworks.com | 9.6M+ U.S. monthly people. The site appeals to a more male audience. |
| 80 | zimbio.com | 9.6M+ U.S. monthly people. The site attracts a slightly male slanted, youthful group. |
| 81 | time.com | 9.6M+ U.S. monthly people. The site appeals to a more educated, somewhat male, skewing older audience. |
| 82 | tripod.com | 9.4M+ U.S. monthly people. |
| 83 | dell.com | 9.3M+ U.S. monthly people. The site caters to a skewing older, more educated, fairly wealthy following. |
| 84 | smarter.com | 9.3M+ U.S. monthly people. The site appeals to a 50+ audience. |
| 85 | simplyhired.com | 9.2M+ U.S. monthly people. The site attracts a more educated audience. |
| 86 | typepad.com | 9.2M+ U.S. monthly people. The site caters to a more educated, more affluent audience. |
| 87 | cbs.com | 9.2M+ U.S. monthly people. The site attracts a more female audience. |
| 88 | twitpic.com | 9.1M+ U.S. monthly people. The site caters to a youthful, more female audience. |
| 89 | pronto.com | 9.1M+ U.S. monthly people. The site appeals to a 50+ group. |
| 90 | nih.gov | 9.1M+ U.S. monthly people. The site appeals to a more educated, skewing older, slightly more female than male audience. |
| 91 | newsweek.com | 9.0M+ U.S. monthly people. The site is popular among a fairly wealthy, more educated, slightly more male than female, skewing older following. |
| 92 | city-data.com | 8.9M+ U.S. monthly people. The site attracts a fairly wealthy, more educated, adult audience. |
| 93 | drudgereport.com | 8.9M+ U.S. monthly people. The site caters to a mostly Caucasian, mostly male, fairly wealthy, more educated, skewing older group. |
| 94 | foxnews.com | 8.8M+ U.S. monthly people. The site is popular among a fairly wealthy, more educated, somewhat male, skewing older audience. |
| 95 | fancast.com | 8.7M+ U.S. monthly people. |
| 96 | shopzilla.com | 8.7M+ U.S. monthly people. The site appeals to a skewing older crowd. |
| 97 | ticketmaster.com | 8.7M+ U.S. monthly people. The site attracts a slightly female slanted, more affluent following. |
| 98 | pogo.com | 8.6M+ U.S. monthly people. The site caters to a primarily female, 50+ group. |
| 99 | overstock.com | 8.5M+ U.S. monthly people. The site attracts a rather female, more affluent, skewing older following. |
| 100 | tvguide.com | 8.5M+ U.S. monthly people. The site is popular among a skewing older, very slightly female biased audience. |