| Used Operating Systems by Visits |
| 1 | 20712 | 24.64 | 17277 | 69.77 | +http://ahrefs.com/robot/ |
| 2 | 4581 | 5.45 | 3732 | 15.07 | +http://www.baidu.com/search/spider.html |
| 3 | 4565 | 5.43 | 1499 | 6.05 | Windows NT |
| 4 | 30921 | 36.78 | 726 | 2.93 | +http://yandex.com/bots |
| 5 | 2012 | 2.39 | 387 | 1.56 | +http://www.linkdex.com/bots/ |
| 6 | 1207 | 1.44 | 303 | 1.22 | +http://www.google.com/bot.html |
| 7 | 661 | 0.79 | 199 | 0.80 | +http://www.bing.com/bingbot.htm |
| 8 | 17708 | 21.06 | 164 | 0.66 | http://mj12bot.com/ |
| 9 | 195 | 0.23 | 119 | 0.48 | Windows 95 |
| 10 | 62 | 0.07 | 59 | 0.24 | +http://www.uptime.com/uptimebot |
| 11 | 121 | 0.14 | 42 | 0.17 | Windows 98 |
| 12 | 51 | 0.06 | 30 | 0.12 | Windows CE |
| 13 | 39 | 0.05 | 25 | 0.10 | Windows 3.1 |
| 14 | 37 | 0.04 | 24 | 0.10 | Windows 2000 |
| 15 | 39 | 0.05 | 24 | 0.10 | Windows ME |
| 16 | 64 | 0.08 | 21 | 0.08 | +spider@seoscanners.net |
| 17 | 32 | 0.04 | 21 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 18 | 40 | 0.05 | 20 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 20 | 0.02 | 20 | 0.08 | Auto; Windows |
| 20 | 21 | 0.02 | 20 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 21 | 30 | 0.04 | 19 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 22 | 28 | 0.03 | 6 | 0.02 | Windows XP |
| 23 | 8 | 0.01 | 6 | 0.02 | +info@netcraft.com |
| 24 | 6 | 0.01 | 3 | 0.01 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 25 | 20 | 0.02 | 3 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 823 | 0.98 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 27 | 18 | 0.02 | 3 | 0.01 | http://www.botje.com/plukkie.htm |
| 28 | 7 | 0.01 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 29 | 4 | 0.00 | 2 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 30 | 12 | 0.01 | 1 | 0.00 | +http://sur.ly/bot.html |
| 31 | 1 | 0.00 | 1 | 0.00 | +http://www.google.com/bot.html,Yahoo! S... |
| 32 | 20 | 0.02 | 1 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 33 | 1 | 0.00 | 1 | 0.00 | X11 |
| 34 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
