| Used Operating Systems |
| 1 | 16815 | 71.23 | 4284 | 58.92 | Windows NT |
| 2 | 1696 | 7.18 | 1547 | 21.28 | +http://www.baidu.com/search/spider.html |
| 3 | 737 | 3.12 | 226 | 3.11 | +http://www.bing.com/bingbot.htm |
| 4 | 682 | 2.89 | 165 | 2.27 | +http://www.google.com/bot.html |
| 5 | 553 | 2.34 | 148 | 2.04 | ezooms.bot@gmail.com |
| 6 | 551 | 2.33 | 41 | 0.56 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 496 | 2.10 | 150 | 2.06 | +http://ahrefs.com/robot/ |
| 8 | 437 | 1.85 | 81 | 1.11 | +http://yandex.com/bots |
| 9 | 267 | 1.13 | 142 | 1.95 | Windows 95 |
| 10 | 224 | 0.95 | 35 | 0.48 | Windows 98 |
| 11 | 202 | 0.86 | 6 | 0.08 | +http://siteexplorer.info/ |
| 12 | 180 | 0.76 | 90 | 1.24 | +http://www.profound.net/urlappendbot.ht... |
| 13 | 117 | 0.50 | 47 | 0.65 | +http://www.semrush.com/bot.html |
| 14 | 65 | 0.28 | 14 | 0.19 | X11 |
| 15 | 61 | 0.26 | 36 | 0.50 | Auto; Windows |
| 16 | 56 | 0.24 | 36 | 0.50 | MSIE 5.5; Windows NT 5.0 |
| 17 | 52 | 0.22 | 21 | 0.29 | +http://www.exabot.com/go/robot |
| 18 | 50 | 0.21 | 34 | 0.47 | Windows CE |
| 19 | 46 | 0.19 | 24 | 0.33 | Windows ME |
| 20 | 42 | 0.18 | 25 | 0.34 | ) - BrowseX (2.0.0 Windows |
| 21 | 40 | 0.17 | 2 | 0.03 | Windows XP |
| 22 | 38 | 0.16 | 28 | 0.39 | MSIE 5.5; Windows NT 4.0 |
| 23 | 33 | 0.14 | 28 | 0.39 | Windows 2000 |
| 24 | 33 | 0.14 | 21 | 0.29 | Windows 3.1 |
| 25 | 30 | 0.13 | 7 | 0.10 | Android 2.3.5 |
| 26 | 24 | 0.10 | 1 | 0.01 | +http://www.aihit.com/ |
| 27 | 22 | 0.09 | 11 | 0.15 | http://crawler.sistrix.net/ |
| 28 | 10 | 0.04 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 29 | 9 | 0.04 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 30 | 8 | 0.03 | 2 | 0.03 | Nintendo Wii |
| 31 | 6 | 0.03 | 6 | 0.08 | Win32 |
| 32 | 6 | 0.03 | 4 | 0.06 | Linux i686 [unknown version] |
| 33 | 4 | 0.02 | 1 | 0.01 | Windows Phone OS 7.5 |
| 34 | 3 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 36 | 2 | 0.01 | 2 | 0.03 | Solaris 2.6.x |
| 37 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 38 | 1 | 0.00 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 39 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 40 | 1 | 0.00 | 0 | 0.00 | Mac_PowerPC; en |
| 41 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 42 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
