| Used Operating Systems |
| 1 | 42253 | 48.75 | 6676 | 51.24 | Windows NT |
| 2 | 27986 | 32.29 | 232 | 1.78 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4440 | 5.12 | 4024 | 30.88 | +http://www.baidu.com/search/spider.html |
| 4 | 3981 | 4.59 | 108 | 0.83 | +http://yandex.com/bots |
| 5 | 2164 | 2.50 | 684 | 5.25 | +http://www.google.com/bot.html |
| 6 | 1140 | 1.32 | 3 | 0.02 | +http://www.warebay.com/bot.html |
| 7 | 939 | 1.08 | 300 | 2.30 | Windows 95 |
| 8 | 641 | 0.74 | 33 | 0.25 | Windows 98 |
| 9 | 563 | 0.65 | 90 | 0.69 | ezooms.bot@gmail.com |
| 10 | 465 | 0.54 | 185 | 1.42 | +http://www.bing.com/bingbot.htm |
| 11 | 200 | 0.23 | 32 | 0.25 | X11 |
| 12 | 171 | 0.20 | 69 | 0.53 | MSIE 5.5; Windows NT 4.0 |
| 13 | 157 | 0.18 | 79 | 0.61 | Auto; Windows |
| 14 | 155 | 0.18 | 4 | 0.03 | Windows XP |
| 15 | 155 | 0.18 | 53 | 0.41 | Windows 3.1 |
| 16 | 147 | 0.17 | 81 | 0.62 | MSIE 5.5; Windows NT 5.0 |
| 17 | 139 | 0.16 | 73 | 0.56 | Windows CE |
| 18 | 138 | 0.16 | 80 | 0.61 | ) - BrowseX (2.0.0 Windows |
| 19 | 137 | 0.16 | 74 | 0.57 | Windows 2000 |
| 20 | 125 | 0.14 | 37 | 0.28 | +http://www.linkdex.com/about/bots/ |
| 21 | 114 | 0.13 | 35 | 0.27 | Windows ME |
| 22 | 100 | 0.12 | 23 | 0.18 | Android 2.3.5 |
| 23 | 75 | 0.09 | 22 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 66 | 0.08 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 25 | 66 | 0.08 | 10 | 0.08 | +http://www.exabot.com/go/robot |
| 26 | 66 | 0.08 | 4 | 0.03 | +http://siteexplorer.info/ |
| 27 | 38 | 0.04 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 28 | 10 | 0.01 | 8 | 0.06 | J2ME/MIDP |
| 29 | 8 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 7 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 31 | 5 | 0.01 | 4 | 0.03 | +info@netcraft.com |
| 32 | 4 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 4 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 3 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 35 | 3 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 36 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 37 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
