| Used Operating Systems |
| 1 | 33198 | 43.10 | 1451 | 20.42 | +http://ahrefs.com/robot/ |
| 2 | 15551 | 20.19 | 2776 | 39.07 | Windows NT |
| 3 | 10953 | 14.22 | 174 | 2.45 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 4049 | 5.26 | 2137 | 30.08 | +http://www.baidu.com/search/spider.html |
| 5 | 4018 | 5.22 | 6 | 0.08 | http://crawler.sistrix.net/ |
| 6 | 3105 | 4.03 | 85 | 1.20 | +http://yandex.com/bots |
| 7 | 953 | 1.24 | 157 | 2.21 | +http://www.google.com/bot.html |
| 8 | 624 | 0.81 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 9 | 460 | 0.60 | 0 | 0.00 | OS/2 |
| 10 | 441 | 0.57 | 2 | 0.03 | Linux i686 [unknown version] |
| 11 | 398 | 0.52 | 0 | 0.00 | Win32 |
| 12 | 344 | 0.45 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 13 | 305 | 0.40 | 23 | 0.32 | Windows 98 |
| 14 | 257 | 0.33 | 67 | 0.94 | +http://www.bing.com/bingbot.htm |
| 15 | 252 | 0.33 | 70 | 0.99 | +http://www.linkdex.com/about/bots/ |
| 16 | 234 | 0.30 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 17 | 216 | 0.28 | 0 | 0.00 | Solaris 9.x |
| 18 | 193 | 0.25 | 36 | 0.51 | Windows 95 |
| 19 | 174 | 0.23 | 0 | 0.00 | Linux 2.4.x |
| 20 | 162 | 0.21 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 21 | 153 | 0.20 | 8 | 0.11 | Windows CE |
| 22 | 144 | 0.19 | 0 | 0.00 | i686 Linux; 20020515 |
| 23 | 126 | 0.16 | 0 | 0.00 | Macintosh PPC |
| 24 | 120 | 0.16 | 0 | 0.00 | BeOS BePC |
| 25 | 90 | 0.12 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 74 | 0.10 | 0 | 0.00 | Macintosh |
| 27 | 72 | 0.09 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 28 | 66 | 0.09 | 15 | 0.21 | ezooms.bot@gmail.com |
| 29 | 57 | 0.07 | 12 | 0.17 | X11 |
| 30 | 40 | 0.05 | 10 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 38 | 0.05 | 15 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 32 | 32 | 0.04 | 6 | 0.08 | Android 2.3.5 |
| 33 | 24 | 0.03 | 0 | 0.00 | Solaris 2.4.x |
| 34 | 22 | 0.03 | 7 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 35 | 18 | 0.02 | 10 | 0.14 | Windows ME |
| 36 | 18 | 0.02 | 10 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 37 | 14 | 0.02 | 2 | 0.03 | Windows XP |
| 38 | 10 | 0.01 | 6 | 0.08 | Windows 2000 |
| 39 | 7 | 0.01 | 7 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 40 | 6 | 0.01 | 4 | 0.06 | Auto; Windows |
| 41 | 5 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 42 | 2 | 0.00 | 2 | 0.03 | +http://struct.it/contacts/ |
| 43 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
