| Used Operating Systems by Visits |
| 1 | 2871 | 23.87 | 2005 | 49.23 | +http://www.baidu.com/search/spider.html |
| 2 | 2777 | 23.08 | 1203 | 29.54 | Windows NT |
| 3 | 3144 | 26.13 | 349 | 8.57 | ezooms.bot@gmail.com |
| 4 | 539 | 4.48 | 140 | 3.44 | +http://www.bing.com/bingbot.htm |
| 5 | 794 | 6.60 | 105 | 2.58 | +http://www.google.com/bot.html |
| 6 | 308 | 2.56 | 46 | 1.13 | +http://ahrefs.com/robot/ |
| 7 | 220 | 1.83 | 46 | 1.13 | +http://yandex.com/bots |
| 8 | 91 | 0.76 | 33 | 0.81 | MSIE 5.5; Windows NT 5.0 |
| 9 | 63 | 0.52 | 25 | 0.61 | Windows 95 |
| 10 | 141 | 1.17 | 24 | 0.59 | +http://shoulu.jike.com/spider.html |
| 11 | 249 | 2.07 | 18 | 0.44 | http://crawler.sistrix.net/ |
| 12 | 22 | 0.18 | 10 | 0.25 | Windows ME |
| 13 | 26 | 0.22 | 10 | 0.25 | ScoutJet; +http://blekko.com/about/blekk... |
| 14 | 18 | 0.15 | 9 | 0.22 | +http://www.exabot.com/go/robot |
| 15 | 623 | 5.18 | 7 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 16 | 10 | 0.08 | 5 | 0.12 | Windows CE |
| 17 | 5 | 0.04 | 5 | 0.12 | X11 |
| 18 | 16 | 0.13 | 5 | 0.12 | Windows 98 |
| 19 | 8 | 0.07 | 5 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 20 | 24 | 0.20 | 4 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 13 | 0.11 | 3 | 0.07 | +http://go.mail.ru/help/robots |
| 22 | 12 | 0.10 | 3 | 0.07 | MirrorDetector; +http://yandex.com/bots |
| 23 | 2 | 0.02 | 2 | 0.05 | Auto; Windows |
| 24 | 6 | 0.05 | 2 | 0.05 | Intel Mac OS X 10.4 |
| 25 | 2 | 0.02 | 2 | 0.05 | Windows 3.1 |
| 26 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 27 | 2 | 0.02 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 28 | 2 | 0.02 | 1 | 0.02 | Windows 2000 |
| 29 | 15 | 0.12 | 1 | 0.02 | Intel Mac OS X 10.7 |
| 30 | 14 | 0.12 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 31 | 8 | 0.07 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 32 | 1 | 0.01 | 0 | 0.00 | J2ME/MIDP |
