| Used Operating Systems |
| 1 | 19121 | 53.39 | 6205 | 83.07 | Windows NT |
| 2 | 5500 | 15.36 | 10 | 0.13 | Windows XP |
| 3 | 4480 | 12.51 | 121 | 1.62 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 2840 | 7.93 | 76 | 1.02 | +http://yandex.com/bots |
| 5 | 1521 | 4.25 | 208 | 2.78 | ezooms.bot@gmail.com |
| 6 | 481 | 1.34 | 190 | 2.54 | +http://www.bing.com/bingbot.htm |
| 7 | 399 | 1.11 | 111 | 1.49 | +http://www.google.com/bot.html |
| 8 | 357 | 1.00 | 3 | 0.04 | +http://siteexplorer.info/ |
| 9 | 303 | 0.85 | 203 | 2.72 | +http://www.baidu.com/search/spider.html |
| 10 | 124 | 0.35 | 41 | 0.55 | +http://www.linkdex.com/about/bots/ |
| 11 | 114 | 0.32 | 30 | 0.40 | X11 |
| 12 | 104 | 0.29 | 35 | 0.47 | Windows 98 |
| 13 | 92 | 0.26 | 70 | 0.94 | Windows 95 |
| 14 | 46 | 0.13 | 29 | 0.39 | MSIE 5.5; Windows NT 5.0 |
| 15 | 40 | 0.11 | 8 | 0.11 | Android 2.3.5 |
| 16 | 30 | 0.08 | 17 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 25 | 0.07 | 21 | 0.28 | Windows CE |
| 18 | 25 | 0.07 | 1 | 0.01 | Windows Phone OS 7.5 |
| 19 | 20 | 0.06 | 5 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 18 | 0.05 | 9 | 0.12 | Windows 3.1 |
| 21 | 18 | 0.05 | 14 | 0.19 | Windows ME |
| 22 | 17 | 0.05 | 15 | 0.20 | Windows 2000 |
| 23 | 15 | 0.04 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 24 | 14 | 0.04 | 10 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 25 | 13 | 0.04 | 9 | 0.12 | Auto; Windows |
| 26 | 13 | 0.04 | 1 | 0.01 | Android |
| 27 | 13 | 0.04 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 28 | 13 | 0.04 | 11 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 29 | 12 | 0.03 | 1 | 0.01 | J2ME/MIDP |
| 30 | 12 | 0.03 | 0 | 0.00 | AnyEvent-HTTP/1.46; +http://software.sch... |
| 31 | 11 | 0.03 | 6 | 0.08 | +http://www.exabot.com/go/robot |
| 32 | 7 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 4 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 34 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 35 | 2 | 0.01 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 36 | 2 | 0.01 | 2 | 0.03 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 39 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.1 |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://struct.it/contacts/ |
| 41 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
